mirror of
https://github.com/Ryujinx/Opentk.git
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564 lines
16 KiB
C#
564 lines
16 KiB
C#
#region --- License ---
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/* Copyright (c) 2007 Stefanos Apostolopoulos
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* See license.txt for license info
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*/
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#endregion
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#region --- Using directives ---
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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using System.Diagnostics;
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using OpenTK.OpenGL;
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using OpenTK.Input;
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#endregion
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namespace OpenTK.Platform.Windows
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{
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/// <summary>
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/// Drives GameWindow on Windows.
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/// This class supports OpenTK, and is not intended for use by OpenTK programs.
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/// </summary>
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internal sealed class WinGLNative : System.Windows.Forms.NativeWindow, INativeGLWindow
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{
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#region --- Fields ---
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private DisplayMode mode = new DisplayMode();
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private IInputDriver driver;
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//private bool fullscreen;
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private bool disposed;
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private bool isExiting;
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private bool exists;
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private WindowInfo window = new WindowInfo();
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private int top, bottom, left, right;
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private ResizeEventArgs resizeEventArgs = new ResizeEventArgs();
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/// <summary>
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/// For use in PeekMessage.
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/// </summary>
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private MSG myGoodMsg = new MSG();
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/// <summary>
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/// For use in WndProc only.
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/// </summary>
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private int width = 0, height = 0;
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private int left_border, right_border, top_border, bottom_border;
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#endregion
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#region --- Contructors ---
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/// <summary>
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/// Constructs a new WinGLNative class. Call CreateWindow to create the
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/// actual render window.
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/// </summary>
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public WinGLNative()
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{
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Debug.Print("Native window driver: {0}", this.ToString());
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}
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#endregion
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#region protected override void WndProc(ref Message m)
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/// <summary>
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/// Processes incoming WM_* messages.
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/// </summary>
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/// <param name="m">Reference to the incoming Windows Message.</param>
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protected override void WndProc(ref Message m)
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{
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switch ((WindowMessage)m.Msg)
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{
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case WindowMessage.WINDOWPOSCHANGED:
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// Get window size
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width = Marshal.ReadInt32(m.LParam, (int)Marshal.OffsetOf(typeof(WindowPosition), "cx"));
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height = Marshal.ReadInt32(m.LParam, (int)Marshal.OffsetOf(typeof(WindowPosition), "cy"));
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width -= (left_border + right_border);
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height -= (top_border + bottom_border);
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//if (resizeEventArgs.Width != width || resizeEventArgs.Height != height)
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if (this.mode.Width != width || this.mode.Height != height)
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{
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mode.Width = width;
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mode.Height = height;
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// If the size has changed, raise the ResizeEvent.
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//resizeEventArgs.Width = width;
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//resizeEventArgs.Height = height;
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//this.OnResize(resizeEventArgs);
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// The message was processed.
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return;
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}
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// If the message was not a resize notification, send it to the default WndProc.
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break;
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case WindowMessage.CREATE:
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// Set the window width and height:
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this.mode.Width = Marshal.ReadInt32(m.LParam, (int)Marshal.OffsetOf(typeof(CreateStruct), "cx"));
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this.mode.Height = Marshal.ReadInt32(m.LParam, (int)Marshal.OffsetOf(typeof(CreateStruct), "cy"));
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this.mode.Width -= (left_border + right_border);
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this.mode.Height -= (top_border + bottom_border);
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// Raise the Create event
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this.OnCreate(EventArgs.Empty);
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return;
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case WindowMessage.CLOSE:
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//this.DestroyWindow();
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this.OnDestroy(EventArgs.Empty);
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return;
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//break;
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case WindowMessage.DESTROY:
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//this.OnDestroy(EventArgs.Empty);
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exists = false;
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isExiting = true;
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break;
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case WindowMessage.QUIT:
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isExiting = true;
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//this.Dispose();
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//Debug.WriteLine("Application quit.");
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return;
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}
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//DefWndProc(ref m);
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base.WndProc(ref m);
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}
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#endregion
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#region --- INativeGLWindow Members ---
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#region public void ProcessEvents()
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private int ret;
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MSG msg;
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public void ProcessEvents()
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{
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while (!IsIdle)
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{
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ret = Functions.GetMessage(ref msg, Handle, 0, 0);
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if (ret == -1)
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{
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throw new ApplicationException(String.Format(
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"An error happened while processing the message queue. Windows error: {0}",
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Marshal.GetLastWin32Error()));
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}
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Functions.DispatchMessage(ref msg);
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//WndProc(ref msg);
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}
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}
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#endregion
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#region public IInputDriver InputDriver
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public IInputDriver InputDriver
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{
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get
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{
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return driver;
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}
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}
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#endregion
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#region public bool Exists
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/// <summary>
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/// Returns true if a render window/context exists.
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/// </summary>
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public bool Exists
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{
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get { return exists; }
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}
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#endregion
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#region public bool Quit
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public bool IsExiting
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{
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get { return isExiting; }
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}
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#endregion
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#region public bool Fullscreen
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public bool Fullscreen
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{
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get
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{
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return false;
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//throw new NotImplementedException();
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}
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set
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{
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throw new NotImplementedException();
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//fullscreen = false;
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}
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}
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#endregion
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#region public bool IsIdle
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public bool IsIdle
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{
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get
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{
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//return !API.PeekMessage(out msg, IntPtr.Zero, 0, 0, 0);
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return !Functions.PeekMessage(ref myGoodMsg, this.Handle, 0, 0, 0);
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//return API.GetQueueStatus(API.QueueStatusFlags.ALLEVENTS) == 0;
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}
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}
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#endregion
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#region public string Text
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public string Title
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{
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get
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{
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StringBuilder title = new StringBuilder(256);
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Functions.GetWindowText(window.Handle, title, title.Capacity);
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return title.ToString();
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}
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set
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{
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#if DEBUG
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bool ret = Functions.SetWindowText(window.Handle, value);
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if (ret)
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Debug.Print("Window {0} title changed to {1}.", window.Handle, value);
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else
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Debug.Print("Window {0} title failed to change to {1}.", window.Handle, value);
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#else
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Functions.SetWindowText(window.Handle, value);
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#endif
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}
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}
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#endregion
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#region public bool Visible
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/// <summary>
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/// TODO
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/// </summary>
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public bool Visible
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{
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get
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{
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//Functions.GetW
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return true;
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}
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set
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{
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}
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}
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#endregion
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#region public IWindowInfo WindowInfo
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public IWindowInfo WindowInfo
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{
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get { return window; }
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//private set { window = value as WindowInfo; }
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}
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#endregion
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#region public void CreateWindow(DisplayMode mode, out IGLContext context)
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public void CreateWindow(DisplayMode windowMode, out IGLContext context)
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{
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Debug.Print("Creating native window with mode: {0}", windowMode.ToString());
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Debug.Indent();
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CreateParams cp = new CreateParams();
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cp.ClassStyle =
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(int)WindowClassStyle.OwnDC |
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(int)WindowClassStyle.VRedraw |
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(int)WindowClassStyle.HRedraw |
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(int)WindowClassStyle.Ime;
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cp.Style =
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(int)WindowStyle.Visible |
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(int)WindowStyle.ClipChildren |
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(int)WindowStyle.ClipSiblings |
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(int)WindowStyle.OverlappedWindow;
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Rectangle rect = new Rectangle();
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rect.top = rect.left = 0;
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rect.bottom = windowMode.Height;
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rect.right = windowMode.Width;
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Functions.AdjustWindowRect(ref rect, WindowStyle.OverlappedWindow, false);
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// Not used
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Top = 0;
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Left = 0;
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Right = windowMode.Width;
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Bottom = windowMode.Height;
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// --------
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top_border = -rect.top;
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left_border = -rect.left;
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bottom_border = rect.bottom - windowMode.Height;
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right_border = rect.right - windowMode.Width;
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cp.Width = rect.right - rect.left;
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cp.Height = rect.bottom - rect.top;
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cp.Caption = "OpenTK Game Window";
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// Keep in mind that some construction code runs in WM_CREATE,
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// which is raised CreateHandle()
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CreateHandle(cp);
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if (this.Handle != IntPtr.Zero)
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{
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Debug.WriteLine("Window creation succesful.");
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//context.Info = new OpenTK.Platform.WindowInfo(this);
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//context.CreateContext();
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//Debug.WriteLine("Context creation successful.");
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exists = true;
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}
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else throw new ApplicationException(String.Format(
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"Could not create native window and/or context. Handle: {0}",
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this.Handle));
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Functions.SetWindowPos(this.Handle, WindowPlacementOptions.TOP, Left, Top, cp.Width, cp.Height, SetWindowPosFlags.SHOWWINDOW);
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//context = new GLContext(mode, window);
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//context.CreateContext();
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context = new WinGLContext();
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(context as IGLContextCreationHack).SetWindowHandle(window.Handle);
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(context as IGLContextCreationHack).SelectDisplayMode(mode, window);
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context.CreateContext(true, null);
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Debug.Unindent();
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}
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#endregion
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#region OnCreate
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public event CreateEvent Create;
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public void OnCreate(EventArgs e)
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{
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this.window.Handle = this.Handle;
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this.window.Parent = null;
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//this.window = new WindowInfo(this);
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//driver = new WinRawInput(this.window); // Disabled until the mouse issues are resolved.
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driver = new WMInput(this.window);
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Debug.Print("Window created: {0}", window);
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if (this.Create != null)
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this.Create(this, e);
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}
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#endregion
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#region private void DestroyWindow()
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/// <summary>
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/// Starts the teardown sequence for the current window.
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/// </summary>
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public void DestroyWindow()
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{
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Debug.Print("Destroying window: {0}", window.ToString());
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Functions.PostMessage(this.Handle, WindowMessage.DESTROY, IntPtr.Zero, IntPtr.Zero);
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}
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#endregion
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#region OnDestroy
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public void OnDestroy(EventArgs e)
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{
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Debug.Print("Destroy event fired from window: {0}", window.ToString());
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if (this.Destroy != null)
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this.Destroy(this, e);
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/*
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if (this.Handle != IntPtr.Zero)
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{
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Debug.Print("Window handle {0} destroyed.", this.Handle);
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//this.DestroyHandle(); // Destroyed automatically by DefWndProc
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//this.Dispose();
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exists = false;
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}
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*/
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//API.PostQuitMessage(0);
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}
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public event DestroyEvent Destroy;
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#endregion
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#region PointToClient
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public void PointToClient(ref System.Drawing.Point p)
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{
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if (!Functions.ScreenToClient(this.Handle, ref p))
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throw new InvalidOperationException(String.Format(
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"Could not convert point {0} from client to screen coordinates. Windows error: {1}",
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p.ToString(), Marshal.GetLastWin32Error()));
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}
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#endregion
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#region PointToScreen
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public void PointToScreen(ref System.Drawing.Point p)
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{
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throw new NotImplementedException();
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}
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#endregion
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#endregion
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#region --- IResizable Members ---
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#region public int Width
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public int Width
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{
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get
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{
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return mode.Width;
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}
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set
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{
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throw new NotImplementedException();
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}
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}
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#endregion
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#region public int Height
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public int Height
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{
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get
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{
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return mode.Height;
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}
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set
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{
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throw new NotImplementedException();
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//WinApi.PostMessage(
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// this.Handle,
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// WinApi.Constants.WM_WINDOWPOSCHANGING,
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//mode.Height = value;
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}
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}
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#endregion
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#region public void OnResize
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public event ResizeEvent Resize;
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public void OnResize(ResizeEventArgs e)
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{
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mode.Width = e.Width;
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mode.Height = e.Height;
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if (this.Resize != null)
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this.Resize(this, e);
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}
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#endregion
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public int Top
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{
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get { return top; }
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private set { top = value; }
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}
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public int Bottom
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{
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get { return bottom; }
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private set { bottom = value; }
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}
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public int Left
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{
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get { return left; }
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private set { left = value; }
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}
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public int Right
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{
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get { return right; }
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private set { right = value; }
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}
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#endregion
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#region --- IDisposable Members ---
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public void Dispose()
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{
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this.Dispose(true);
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//GC.SuppressFinalize(this);
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}
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private void Dispose(bool calledManually)
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{
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if (!disposed)
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{
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// Clean unmanaged resources here:
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if (calledManually)
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{
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// Safe to clean managed resources
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//base.DestroyHandle();
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}
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disposed = true;
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}
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}
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/*
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~WinGLNative()
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{
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Dispose(false);
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}
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*/
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#endregion
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}
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#region class WindowHandle : Microsoft.Win32.SafeHandles.SafeHandleZeroOrMinusOneIsInvalid
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/*
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class WindowHandle : Microsoft.Win32.SafeHandles.SafeHandleZeroOrMinusOneIsInvalid
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{
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protected override bool ReleaseHandle()
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{
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throw new Exception("The method or operation is not implemented.");
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}
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public override bool IsInvalid
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{
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get
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{
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return base.IsInvalid;
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}
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}
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}
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*/
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#endregion
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}
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