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Default window style flags can be constants rather than static readonly fields.

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Throw an exception if we fail to register the window class, the previous solution (check for "class already exists" error) was a workaround for a threading issue that has been solved.
Set the small icon when registering the class.
This commit is contained in:
the_fiddler 2009-11-04 09:21:41 +00:00
parent 6452cf4629
commit 331b7d0f63
1 changed files with 6 additions and 14 deletions
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20
Source/OpenTK/Platform/Windows/WinGLNative.cs
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@ -47,8 +47,8 @@ namespace OpenTK.Platform.Windows
readonly static object SyncRoot = new object();
readonly static ExtendedWindowStyle ParentStyleEx = ExtendedWindowStyle.WindowEdge;
readonly static ExtendedWindowStyle ChildStyleEx = 0;
const ExtendedWindowStyle ParentStyleEx = ExtendedWindowStyle.WindowEdge | ExtendedWindowStyle.ApplicationWindow;
const ExtendedWindowStyle ChildStyleEx = 0;
readonly IntPtr Instance = Marshal.GetHINSTANCE(typeof(WinGLNative).Module);
readonly IntPtr ClassName;
@ -152,6 +152,7 @@ namespace OpenTK.Platform.Windows
IntPtr WindowProcedure(IntPtr handle, WindowMessage message, IntPtr wParam, IntPtr lParam)
{
Debug.WriteLine(message.ToString());
switch (message)
{
#region Size / Move / Style events
@ -555,22 +556,13 @@ namespace OpenTK.Platform.Windows
wc.WndProc = WindowProcedureDelegate;
wc.ClassName = ClassName;
wc.Icon = Icon != null ? Icon.Handle : IntPtr.Zero;
#warning "This seems to resize one of the 'large' icons, rather than using a small icon directly (multi-icon files). Investigate!"
wc.IconSm = Icon != null ? new Icon(Icon, 16, 16).Handle : IntPtr.Zero;
wc.Cursor = Functions.LoadCursor(CursorName.Arrow);
//wc.Background = Functions.GetStockObject(5);
ushort atom = Functions.RegisterClassEx(ref wc);
if (atom == 0)
{
int error= Marshal.GetLastWin32Error();
Debug.Print("Failed to register class {0}, due to error {1}.", Marshal.PtrToStringAuto(ClassName), error);
// Error 1410 means "class already exists", which means we'll just go ahead and use it.
// In all other cases, we'll throw an exception and stop execution.
if (error != 1410)
{
throw new PlatformException(String.Format("Failed to register window class. Error: {0}", error));
}
}
throw new PlatformException(String.Format("Failed to register window class. Error: {0}", Marshal.GetLastWin32Error()));
class_registered = true;
}