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Opentk/Source/OpenTK/Platform/Windows/API.cs

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#region --- License ---
/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
* Contributions from Erik Ylvisaker
* See license.txt for license info
*/
#endregion
#region --- Using Directives ---
using System;
using System.Runtime.InteropServices;
using System.Text;
#endregion
/* TODO: Update the description of TimeBeginPeriod and other native methods. Update Timer. */
namespace OpenTK.Platform.Windows
{
#region Type aliases
using HWND = System.IntPtr;
using HINSTANCE = System.IntPtr;
using HMENU = System.IntPtr;
using LPVOID = System.IntPtr;
using LONG = System.Int32;
using LPCTSTR = System.String;
using DWORD = System.Int32;
using BOOL = System.Boolean;
using UINT = System.UInt32;
using WPARAM = System.IntPtr;
using LPARAM = System.IntPtr;
#endregion
/// <summary>
/// For internal use by OpenTK only!
/// Exposes useful native WINAPI methods and structures.
/// </summary>
internal static class API
{
// Prevent BeforeFieldInit optimization.
static API() { }
#region Constants
internal struct Constants
{
// WM_ACTIVATE state values (found in winuser.h)
internal const int WA_INACTIVE = 0;
internal const int WA_ACTIVE = 1;
internal const int WA_CLICKACTIVE = 2;
// Window Messages (found in winuser.h)
internal const int WM_NULL = 0x0000;
internal const int WM_CREATE = 0x0001;
internal const int WM_DESTROY = 0x0002;
internal const int WM_MOVE = 0x0003;
internal const int WM_SIZE = 0x0005;
internal const int WM_ACTIVATE = 0x0006;
internal const int WM_SETFOCUS = 0x0007;
internal const int WM_KILLFOCUS = 0x0008;
internal const int WM_ENABLE = 0x000A;
internal const int WM_SETREDRAW = 0x000B;
internal const int WM_SETTEXT = 0x000C;
internal const int WM_GETTEXT = 0x000D;
internal const int WM_GETTEXTLENGTH = 0x000E;
internal const int WM_PAINT = 0x000F;
internal const int WM_CLOSE = 0x0010;
// _WIN32_WCE
internal const int WM_QUERYENDSESSION = 0x0011;
internal const int WM_QUERYOPEN = 0x0013;
internal const int WM_ENDSESSION = 0x0016;
internal const int WM_QUIT = 0x0012;
internal const int WM_ERASEBKGND = 0x0014;
internal const int WM_SYSCOLORCHANGE = 0x0015;
internal const int WM_SHOWWINDOW = 0x0018;
internal const int WM_WININICHANGE = 0x001A;
// WINVER >= 0x400
internal const int WM_SETTINGCHANGE = WM_WININICHANGE;
internal const int WM_DEVMODECHANGE = 0x001B;
internal const int WM_ACTIVATEAPP = 0x001C;
internal const int WM_FONTCHANGE = 0x001D;
internal const int WM_TIMECHANGE = 0x001E;
internal const int WM_CANCELMODE = 0x001F;
internal const int WM_SETCURSOR = 0x0020;
internal const int WM_MOUSEACTIVATE = 0x0021;
internal const int WM_CHILDACTIVATE = 0x0022;
internal const int WM_QUEUESYNC = 0x0023;
internal const int WM_GETMINMAXINFO = 0x0024;
internal const int WM_WINDOWPOSCHANGING = 0x0046;
internal const int WM_WINDOWPOSCHANGED = 0x0047;
// Keyboard events (found in winuser.h)
internal const int WM_KEYDOWN = 0x0100;
internal const int WM_KEYUP = 0x101;
internal const int WM_SYSKEYDOWN = 0x0104;
internal const int WM_SYSKEYUP = 0x0105;
internal const int WM_COMMAND = 0x0111;
internal const int WM_SYSCOMMAND = 0x0112;
internal const int WM_ENTERIDLE = 0x121;
// Pixel types (found in wingdi.h)
internal const byte PFD_TYPE_RGBA = 0;
internal const byte PFD_TYPE_COLORINDEX = 1;
// Layer types (found in wingdi.h)
internal const byte PFD_MAIN_PLANE = 0;
internal const byte PFD_OVERLAY_PLANE = 1;
internal const byte PFD_UNDERLAY_PLANE = unchecked((byte)-1);
// Device mode types (found in wingdi.h)
internal const int DM_BITSPERPEL = 0x00040000;
internal const int DM_PELSWIDTH = 0x00080000;
internal const int DM_PELSHEIGHT = 0x00100000;
internal const int DM_DISPLAYFLAGS = 0x00200000;
internal const int DM_DISPLAYFREQUENCY = 0x00400000;
// ChangeDisplaySettings types (found in winuser.h)
internal const int CDS_UPDATEREGISTRY = 0x00000001;
internal const int CDS_TEST = 0x00000002;
internal const int CDS_FULLSCREEN = 0x00000004;
// ChangeDisplaySettings results (found in winuser.h)
internal const int DISP_CHANGE_SUCCESSFUL = 0;
internal const int DISP_CHANGE_RESTART = 1;
internal const int DISP_CHANGE_FAILED = -1;
// (found in winuser.h)
internal const int ENUM_REGISTRY_SETTINGS = -2;
internal const int ENUM_CURRENT_SETTINGS = -1;
public const int VK_ESCAPE = 0x1B;
}
#endregion
#region WINAPI methods
#region PeekMessage
[StructLayout(LayoutKind.Sequential)]
internal struct Message
{
internal IntPtr hWnd;
internal int msg;
internal IntPtr wParam;
internal IntPtr lParam;
internal int time;
internal System.Drawing.Point p;
//System.Drawing.
}
/// <summary>
/// Low-level WINAPI function that checks the next message in the queue.
/// </summary>
/// <param name="msg">The pending message (if any) is stored here.</param>
/// <param name="hWnd">Not used</param>
/// <param name="messageFilterMin">Not used</param>
/// <param name="messageFilterMax">Not used</param>
/// <param name="flags">Not used</param>
/// <returns>True if there is a message pending.</returns>
[System.Security.SuppressUnmanagedCodeSecurity]
[DllImport("User32.dll", CharSet = CharSet.Auto)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool PeekMessage(
out Message msg,
IntPtr hWnd,
int messageFilterMin,
int messageFilterMax,
int flags
);
/// <summary>
/// Low-level WINAPI function that checks the next message in the queue.
/// </summary>
/// <param name="msg">The pending message (if any) is stored here.</param>
/// <param name="hWnd">Not used</param>
/// <param name="messageFilterMin">Not used</param>
/// <param name="messageFilterMax">Not used</param>
/// <param name="flags">Not used</param>
/// <returns>True if there is a message pending.</returns>
[System.Security.SuppressUnmanagedCodeSecurity]
[DllImport("User32.dll", CharSet = CharSet.Auto)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool PeekMessage(
out System.Windows.Forms.Message msg,
IntPtr hWnd,
int messageFilterMin,
int messageFilterMax,
int flags
);
#endregion
#region GetMessage
/// <summary>
/// Low-level WINAPI function that retriives the next message in the queue.
/// </summary>
/// <param name="msg">The pending message (if any) is stored here.</param>
/// <param name="hWnd">Not used</param>
/// <param name="messageFilterMin">Not used</param>
/// <param name="messageFilterMax">Not used</param>
/// <param name="flags">Not used</param>
/// <returns>
/// Nonzero indicates that the function retrieves a message other than WM_QUIT.
/// Zero indicates that the function retrieves the WM_QUIT message, or that lpMsg is an invalid pointer.
/// <20>1 indicates that an error occurred <20> for example, the function fails if hWnd is an invalid window handle.
/// To get extended error information, call GetLastError.
/// </returns>
[System.Security.SuppressUnmanagedCodeSecurity]
[DllImport("User32.dll", CharSet = CharSet.Auto)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern BOOL GetMessage(
out System.Windows.Forms.Message msg,
IntPtr windowHandle,
int messageFilterMin,
int messageFilterMax
);
#endregion
#region PostMessage
[System.Security.SuppressUnmanagedCodeSecurity]
[DllImport("User32.dll", CharSet = CharSet.Auto)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern BOOL PostMessage(
HWND hWnd,
UINT Msg,
WPARAM wParam,
LPARAM lParam
);
#endregion
#region PostQuitMessage
[DllImport("User32.dll", CharSet = CharSet.Auto)]
internal static extern void PostQuitMessage(int exitCode);
#endregion
#region TimeBeginPeriod
/// <summary>
/// Sets the timing resolution of the GetTime (?) method.
/// </summary>
/// <param name="period">Timing resolution in msec (?)</param>
/// <returns>(?)</returns>
[System.Security.SuppressUnmanagedCodeSecurity]
[DllImport("winmm.dll")]
internal static extern IntPtr TimeBeginPeriod(int period);
#endregion
#region QueryPerformanceFrequency
/// <summary>
///
/// </summary>
/// <param name="PerformanceFrequency"></param>
/// <returns></returns>
[System.Security.SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool QueryPerformanceFrequency(ref long PerformanceFrequency);
#endregion
#region QueryPerformanceCounter
/// <summary>
///
/// </summary>
/// <param name="PerformanceCount"></param>
/// <returns></returns>
[System.Security.SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool QueryPerformanceCounter(ref long PerformanceCount);
#endregion
#region GetDC
/// <summary>
///
/// </summary>
/// <param name="hwnd"></param>
/// <returns></returns>
[DllImport("user32.dll")]
internal static extern IntPtr GetDC(IntPtr hwnd);
#endregion
#region ReleaseDC
/// <summary>
///
/// </summary>
/// <param name="hwnd"></param>
/// <param name="hDC"></param>
/// <returns></returns>
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool ReleaseDC(IntPtr hwnd, IntPtr DC);
#endregion
#region ChoosePixelFormat
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="pfd"></param>
/// <returns></returns>
[DllImport("gdi32.dll")]
internal static extern int ChoosePixelFormat(IntPtr dc, [In, MarshalAs(UnmanagedType.LPStruct)]PixelFormatDescriptor pfd);
#endregion
#region SetPixelFormat
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="format"></param>
/// <param name="pfd"></param>
/// <returns></returns>
[DllImport("gdi32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool SetPixelFormat(
IntPtr dc,
int format,
[In, MarshalAs(UnmanagedType.LPStruct)]PixelFormatDescriptor pfd
);
#endregion
#region SetWindowPos
// WINUSERAPI BOOL WINAPI SetWindowPos(__in HWND hWnd, __in_opt HWND hWndInsertAfter,
// __in int X, __in int Y, __in int cx, __in int cy, __in UINT uFlags);
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool SetWindowPos(
IntPtr handle,
WindowPlacementOptions placement,
int x, int y, int cx, int cy,
SetWindowPosFlags flags
);
#endregion
#region SwapBuffers
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
[DllImport("gdi32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool SwapBuffers(IntPtr dc);
#endregion
#region GetProcAddress
/// <summary>
///
/// </summary>
/// <param name="handle"></param>
/// <param name="funcname"></param>
/// <returns></returns>
[DllImport("kernel32.dll")]
internal static extern IntPtr GetProcAddress(IntPtr handle, string funcname);
#endregion
#region LoadLibrary
/// <summary>
///
/// </summary>
/// <param name="funcname"></param>
/// <returns></returns>
[DllImport("kernel32.dll", SetLastError = true)]
internal static extern IntPtr LoadLibrary(string dllName);
#endregion
#region FreeLibrary
/// <summary>
///
/// </summary>
/// <param name="handle"></param>
/// <returns></returns>
[DllImport("kernel32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool FreeLibrary(IntPtr handle);
#endregion
#region CreateWindowEx
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
internal static extern IntPtr CreateWindowEx(
[In]ExtendedWindowStyle ExStyle,
[In]string className,
[In]string windowName,
[In]WindowStyle Style,
[In]int X, int Y,
[In]int Width, int Height,
[In]IntPtr HandleToParentWindow,
[In]IntPtr Menu,
[In]IntPtr Instance,
[In]IntPtr Param);
/*
[DllImport("user32.dll", SetLastError = true)]
internal static extern int CreateWindowEx(
[In]ExtendedWindowStyle ExStyle,
[In]IntPtr ClassName,
[In]IntPtr WindowName,
[In]WindowStyle Style,
[In]int X, [In]int Y,
[In]int Width, [In]int Height,
[In]IntPtr HandleToParentWindow,
[In]IntPtr Menu,
[In]IntPtr Instance,
[In]IntPtr Param);
*/
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
internal static extern IntPtr CreateWindowEx(
ExtendedWindowStyle ExStyle,
IntPtr ClassName,
IntPtr WindowName,
WindowStyle Style,
int X, int Y,
int Width, int Height,
IntPtr HandleToParentWindow,
IntPtr Menu,
IntPtr Instance,
IntPtr Param);
internal enum WindowStyle : int
{
Overlapped = 0x00000000,
Popup = unchecked((int)0x80000000),
Child = 0x40000000,
Minimize = 0x20000000,
Visible = 0x10000000,
Disabled = 0x08000000,
ClipSiblings = 0x04000000,
ClipChildren = 0x02000000,
Maximize = 0x01000000,
Caption = 0x00C00000, // Border | DialogFrame
Border = 0x00800000,
DialogFrame = 0x00400000,
VScroll = 0x00200000,
HScreen = 0x00100000,
SystemMenu = 0x00080000,
ThickFrame = 0x00040000,
Group = 0x00020000,
TabStop = 0x00010000,
MinimizeBox = 0x00020000,
MaximizeBox = 0x00010000,
Tiled = Overlapped,
Iconic = Minimize,
SizeBox = ThickFrame,
TiledWindow = OverlappedWindow,
// Common window styles:
OverlappedWindow = Overlapped | Caption | SystemMenu | ThickFrame | MinimizeBox | MaximizeBox,
PopupWindow = Popup | Border | SystemMenu,
ChildWindow = Child
}
[Flags]
internal enum ExtendedWindowStyle : int
{
DialogModalFrame = 0x00000001,
NoParentNotify = 0x00000004,
Topmost = 0x00000008,
AcceptFiles = 0x00000010,
Transparent = 0x00000020,
// #if(WINVER >= 0x0400)
MdiChild = 0x00000040,
ToolWindow = 0x00000080,
WindowEdge = 0x00000100,
ClientEdge = 0x00000200,
ContextHelp = 0x00000400,
// #endif
// #if(WINVER >= 0x0400)
Right = 0x00001000,
Left = 0x00000000,
RightToLeftReading = 0x00002000,
LeftToRightReading = 0x00000000,
LeftScrollbar = 0x00004000,
RightScrollbar = 0x00000000,
ControlParent = 0x00010000,
StaticEdge = 0x00020000,
ApplicationWindow = 0x00040000,
OverlappedWindow = WindowEdge | ClientEdge,
PaletteWindow = WindowEdge | ToolWindow | Topmost,
// #endif
// #if(_WIN32_WINNT >= 0x0500)
Layered = 0x00080000,
// #endif
// #if(WINVER >= 0x0500)
NoInheritLayout = 0x00100000, // Disable inheritence of mirroring by children
RightToLeftLayout = 0x00400000, // Right to left mirroring
// #endif /* WINVER >= 0x0500 */
// #if(_WIN32_WINNT >= 0x0501)
Composited = 0x02000000,
// #endif /* _WIN32_WINNT >= 0x0501 */
// #if(_WIN32_WINNT >= 0x0500)
NoActivate = 0x08000000
// #endif /* _WIN32_WINNT >= 0x0500 */
}
#endregion
#region DestroyWindow
[DllImport("user32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool DestroyWindow(IntPtr windowHandle);
#endregion
#region GetModuleHandle
[DllImport("kernel32.dll")]
internal static extern IntPtr GetModuleHandle([MarshalAs(UnmanagedType.LPTStr)]string module_name);
#endregion
#region RegisterClass
[DllImport("user32.dll", SetLastError = true)]
internal static extern short RegisterClass(WindowClass window_class);
#endregion
#region
[DllImport("user32.dll", SetLastError = true)]
internal static extern short UnregisterClass(string className, IntPtr instance);
[DllImport("user32.dll", SetLastError = true)]
internal static extern short UnregisterClass(IntPtr className, IntPtr instance);
#endregion
#region int ChangeDisplaySettings(ref Gdi.DEVMODE devMode, int flags)
/// <summary>
///
/// </summary>
/// <param name="device_mode"></param>
/// <param name="flags"></param>
/// <returns></returns>
[DllImport("user32.dll", SetLastError = true)]
internal static extern int ChangeDisplaySettings(DeviceMode device_mode, int flags);
#endregion int ChangeDisplaySettings(ref Gdi.DEVMODE devMode, int flags)
#region EnumDisplaySettings
[DllImport("user32.dll", SetLastError = true)]
internal static extern int EnumDisplaySettings([MarshalAs(UnmanagedType.LPTStr)] string device_name,
int graphics_mode, IntPtr device_mode);
#endregion
// *********** Never use GetLastError! ************
//#region GetLastError
//[DllImport("kernel32.dll")]
//internal static extern int GetLastError();
//#endregion
//#region SetLastError
//[DllImport("kernel32.dll")]
//internal static extern void SetLastError(int error_code);
//#endregion
//#region FormatMessage
//#endregion
// ************************************************
#endregion
#region WINAPI structs
#region internal struct CreateStruct
internal struct CreateStruct
{
/// <summary>
/// Contains additional data which may be used to create the window.
/// </summary>
/// <remarks>
/// If the window is being created as a result of a call to the CreateWindow
/// or CreateWindowEx function, this member contains the value of the lpParam
/// parameter specified in the function call.
/// <para>
/// If the window being created is a multiple-document interface (MDI) client window,
/// this member contains a pointer to a CLIENTCREATESTRUCT structure. If the window
/// being created is a MDI child window, this member contains a pointer to an
/// MDICREATESTRUCT structure.
/// </para>
/// <para>
/// Windows NT/2000/XP: If the window is being created from a dialog template,
/// this member is the address of a SHORT value that specifies the size, in bytes,
/// of the window creation data. The value is immediately followed by the creation data.
/// </para>
/// <para>
/// Windows NT/2000/XP: You should access the data represented by the lpCreateParams member
/// using a pointer that has been declared using the UNALIGNED type, because the pointer
/// may not be DWORD aligned.
/// </para>
/// </remarks>
internal LPVOID lpCreateParams;
/// <summary>
/// Handle to the module that owns the new window.
/// </summary>
internal HINSTANCE hInstance;
/// <summary>
/// Handle to the menu to be used by the new window.
/// </summary>
internal HMENU hMenu;
/// <summary>
/// Handle to the parent window, if the window is a child window.
/// If the window is owned, this member identifies the owner window.
/// If the window is not a child or owned window, this member is NULL.
/// </summary>
internal HWND hwndParent;
/// <summary>
/// Specifies the height of the new window, in pixels.
/// </summary>
internal int cy;
/// <summary>
/// Specifies the width of the new window, in pixels.
/// </summary>
internal int cx;
/// <summary>
/// Specifies the y-coordinate of the upper left corner of the new window.
/// If the new window is a child window, coordinates are relative to the parent window.
/// Otherwise, the coordinates are relative to the screen origin.
/// </summary>
internal int y;
/// <summary>
/// Specifies the x-coordinate of the upper left corner of the new window.
/// If the new window is a child window, coordinates are relative to the parent window.
/// Otherwise, the coordinates are relative to the screen origin.
/// </summary>
internal int x;
/// <summary>
/// Specifies the style for the new window.
/// </summary>
internal LONG style;
/// <summary>
/// Pointer to a null-terminated string that specifies the name of the new window.
/// </summary>
[MarshalAs(UnmanagedType.LPTStr)]
internal LPCTSTR lpszName;
/// <summary>
/// Either a pointer to a null-terminated string or an atom that specifies the class name
/// of the new window.
/// <remarks>
/// Note Because the lpszClass member can contain a pointer to a local (and thus inaccessable) atom,
/// do not obtain the class name by using this member. Use the GetClassName function instead.
/// </remarks>
/// </summary>
[MarshalAs(UnmanagedType.LPTStr)]
internal LPCTSTR lpszClass;
/// <summary>
/// Specifies the extended window style for the new window.
/// </summary>
internal DWORD dwExStyle;
}
#endregion
#region PixelFormatDescriptor struct
/// <summary>
/// Describes a pixel format. It is used when interfacing with the WINAPI to create a new Context.
/// Found in WinGDI.h
/// </summary>
[StructLayout(LayoutKind.Sequential)]
internal class PixelFormatDescriptor
{
short Size = 40; // No need for the user to set the size, since it is predefined.
internal short Version = 1;
internal PixelFormatDescriptorFlags Flags =
//PixelFormatDescriptorFlags.DOUBLEBUFFER |
PixelFormatDescriptorFlags.DRAW_TO_WINDOW |
PixelFormatDescriptorFlags.SUPPORT_OPENGL;
internal byte PixelType = Constants.PFD_TYPE_RGBA;
internal byte ColorBits = 0;
internal byte RedBits = 0;
internal byte RedShift = 0;
internal byte GreenBits = 0;
internal byte GreenShift = 0;
internal byte BlueBits = 0;
internal byte BlueShift = 0;
internal byte AlphaBits = 8;
internal byte AlphaShift = 0;
internal byte AccumBits = 0;
internal byte AccumRedBits = 0;
internal byte AccumGreenBits = 0;
internal byte AccumBlueBits = 0;
internal byte AccumAlphaBits = 0;
internal byte DepthBits = 0;
internal byte StencilBits = 0;
internal byte AuxBuffers = 0;
internal byte LayerType = unchecked((byte)Constants.PFD_MAIN_PLANE);
byte Reserved = 0;
internal int LayerMask = 0;
internal int VisibleMask = 0;
internal int DamageMask = 0;
}
#endregion
#region PixelFormatDescriptorFlags enum
[Flags]
internal enum PixelFormatDescriptorFlags : int
{
// PixelFormatDescriptor flags
DOUBLEBUFFER,
STEREO,
DRAW_TO_WINDOW,
DRAW_TO_BITMAP,
SUPPORT_GDI,
SUPPORT_OPENGL,
GENERIC_FORMAT,
NEED_PALETTE,
NEED_SYSTEM_PALETTE,
SWAP_EXCHANGE,
SWAP_COPY,
SWAP_LAYER_BUFFERS,
GENERIC_ACCELERATED,
SUPPORT_DIRECTDRAW,
// PixelFormatDescriptor flags for use in ChoosePixelFormat only
DEPTH_DONTCARE = unchecked((int)0x20000000),
DOUBLEBUFFER_DONTCARE = unchecked((int)0x40000000),
STEREO_DONTCARE = unchecked((int)0x80000000)
}
#endregion
#region WindowPlacementOptions enum
internal enum WindowPlacementOptions
{
TOP = 0,
BOTTOM = 1,
TOPMOST = -1,
NOTOPMOST = -2
}
#endregion
#region WindowClass
[StructLayout(LayoutKind.Sequential)]
internal class WindowClass
{
internal WindowClassStyle style = WindowClassStyle.VRedraw | WindowClassStyle.HRedraw | WindowClassStyle.OwnDC;
[MarshalAs(UnmanagedType.FunctionPtr)]
internal WindowProcedureEventHandler WindowProcedure;
internal int ClassExtraBytes;
internal int WindowExtraBytes;
//[MarshalAs(UnmanagedType.
internal IntPtr Instance;
internal IntPtr Icon;
internal IntPtr Cursor;
internal IntPtr BackgroundBrush;
//[MarshalAs(UnmanagedType.LPStr)]
internal IntPtr MenuName;
//[MarshalAs(UnmanagedType.LPStr)]
internal IntPtr ClassName;
//internal string ClassName;
}
#endregion
#region WindowClassStyle enum
[Flags]
internal enum WindowClassStyle
{
//None = 0x0000,
VRedraw = 0x0001,
HRedraw = 0x0002,
DoubleClicks = 0x0008,
OwnDC = 0x0020,
ClassDC = 0x0040,
ParentDC = 0x0080,
NoClose = 0x0200,
SaveBits = 0x0800,
ByteAlignClient = 0x1000,
ByteAlignWindow = 0x2000,
GlobalClass = 0x4000,
Ime = 0x00010000,
// #if(_WIN32_WINNT >= 0x0501)
DropShadow = 0x00020000
// #endif /* _WIN32_WINNT >= 0x0501 */
}
#endregion
#region DeviceMode class
/*
typedef struct _devicemode {
BCHAR dmDeviceName[CCHDEVICENAME];
WORD dmSpecVersion;
WORD dmDriverVersion;
WORD dmSize;
WORD dmDriverExtra;
DWORD dmFields;
union {
struct {
short dmOrientation;
short dmPaperSize;
short dmPaperLength;
short dmPaperWidth;
short dmScale;
short dmCopies;
short dmDefaultSource;
short dmPrintQuality;
};
POINTL dmPosition;
DWORD dmDisplayOrientation;
DWORD dmDisplayFixedOutput;
};
short dmColor;
short dmDuplex;
short dmYResolution;
short dmTTOption;
short dmCollate;
BYTE dmFormName[CCHFORMNAME];
WORD dmLogPixels;
DWORD dmBitsPerPel;
DWORD dmPelsWidth;
DWORD dmPelsHeight;
union {
DWORD dmDisplayFlags;
DWORD dmNup;
}
DWORD dmDisplayFrequency;
#if(WINVER >= 0x0400)
DWORD dmICMMethod;
DWORD dmICMIntent;
DWORD dmMediaType;
DWORD dmDitherType;
DWORD dmReserved1;
DWORD dmReserved2;
#if (WINVER >= 0x0500) || (_WIN32_WINNT >= 0x0400)
DWORD dmPanningWidth;
DWORD dmPanningHeight;
#endif
#endif
} DEVMODE;
*/
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
internal class DeviceMode
{
internal DeviceMode()
{
Size = (short)Marshal.SizeOf(this);
}
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
internal string DeviceName;
internal short SpecVersion;
internal short DriverVersion;
private short Size;
internal short DriverExtra;
internal int Fields;
internal short Orientation;
internal short PaperSize;
internal short PaperLength;
internal short PaperWidth;
internal short Scale;
internal short Copies;
internal short DefaultSource;
internal short PrintQuality;
internal short Color;
internal short Duplex;
internal short YResolution;
internal short TTOption;
internal short Collate;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
internal string FormName;
internal short LogPixels;
internal int BitsPerPel;
internal int PelsWidth;
internal int PelsHeight;
internal int DisplayFlags;
internal int DisplayFrequency;
internal int ICMMethod;
internal int ICMIntent;
internal int MediaType;
internal int DitherType;
internal int Reserved1;
internal int Reserved2;
internal int PanningWidth;
internal int PanningHeight;
}
#endregion DeviceMode class
#region public struct MinMaxInfo
/// <summary>
/// Struct pointed to by WM_GETMINMAXINFO lParam
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct MINMAXINFO
{
System.Drawing.Point ptReserved;
System.Drawing.Point ptMaxSize;
System.Drawing.Point ptMaxPosition;
System.Drawing.Point ptMinTrackSize;
System.Drawing.Point ptMaxTrackSize;
}
#endregion
#region public struct WindowPosition
/// <summary>
/// The WindowPosition structure contains information about the size and position of a window.
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct WindowPosition
{
/// <summary>
/// Handle to the window.
/// </summary>
public HWND hwnd;
/// <summary>
/// Specifies the position of the window in Z order (front-to-back position).
/// This member can be a handle to the window behind which this window is placed,
/// or can be one of the special values listed with the SetWindowPos function.
/// </summary>
public HWND hwndInsertAfter;
/// <summary>
/// Specifies the position of the left edge of the window.
/// </summary>
public int x;
/// <summary>
/// Specifies the position of the top edge of the window.
/// </summary>
public int y;
/// <summary>
/// Specifies the window width, in pixels.
/// </summary>
public int cx;
/// <summary>
/// Specifies the window height, in pixels.
/// </summary>
public int cy;
/// <summary>
/// Specifies the window position.
/// </summary>
[MarshalAs(UnmanagedType.U4)]
public SetWindowPosFlags flags;
}
#region public enum SetWindowPosFlags
[Flags]
public enum SetWindowPosFlags : int
{
/// <summary>
/// Retains the current size (ignores the cx and cy parameters).
/// </summary>
NOSIZE = 0x0001,
/// <summary>
/// Retains the current position (ignores the x and y parameters).
/// </summary>
NOMOVE = 0x0002,
/// <summary>
/// Retains the current Z order (ignores the hwndInsertAfter parameter).
/// </summary>
NOZORDER = 0x0004,
/// <summary>
/// Does not redraw changes. If this flag is set, no repainting of any kind occurs.
/// This applies to the client area, the nonclient area (including the title bar and scroll bars),
/// and any part of the parent window uncovered as a result of the window being moved.
/// When this flag is set, the application must explicitly invalidate or redraw any parts
/// of the window and parent window that need redrawing.
/// </summary>
NOREDRAW = 0x0008,
/// <summary>
/// Does not activate the window. If this flag is not set,
/// the window is activated and moved to the top of either the topmost or non-topmost group
/// (depending on the setting of the hwndInsertAfter member).
/// </summary>
NOACTIVATE = 0x0010,
/// <summary>
/// Sends a WM_NCCALCSIZE message to the window, even if the window's size is not being changed.
/// If this flag is not specified, WM_NCCALCSIZE is sent only when the window's size is being changed.
/// </summary>
FRAMECHANGED = 0x0020, /* The frame changed: send WM_NCCALCSIZE */
/// <summary>
/// Displays the window.
/// </summary>
SHOWWINDOW = 0x0040,
/// <summary>
/// Hides the window.
/// </summary>
HIDEWINDOW = 0x0080,
/// <summary>
/// Discards the entire contents of the client area. If this flag is not specified,
/// the valid contents of the client area are saved and copied back into the client area
/// after the window is sized or repositioned.
/// </summary>
NOCOPYBITS = 0x0100,
/// <summary>
/// Does not change the owner window's position in the Z order.
/// </summary>
NOOWNERZORDER = 0x0200, /* Don't do owner Z ordering */
/// <summary>
/// Prevents the window from receiving the WM_WINDOWPOSCHANGING message.
/// </summary>
NOSENDCHANGING = 0x0400, /* Don't send WM_WINDOWPOSCHANGING */
/// <summary>
/// Draws a frame (defined in the window's class description) around the window.
/// </summary>
DRAWFRAME = FRAMECHANGED,
/// <summary>
/// Same as the NOOWNERZORDER flag.
/// </summary>
NOREPOSITION = NOOWNERZORDER,
DEFERERASE = 0x2000,
ASYNCWINDOWPOS = 0x4000
}
#endregion
#endregion
#endregion
#region Callbacks
[UnmanagedFunctionPointerAttribute(CallingConvention.Winapi)]
internal delegate void WindowProcedureEventHandler(object sender, WindowProcedureEventArgs e);
internal class WindowProcedureEventArgs : EventArgs
{
private Message msg;
internal Message Message
{
get { return msg; }
set { msg = value; }
}
}
#endregion
}
}
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