private void CreateWindow(WindowsProgramContext context)
{
_title = context.Name;
var style = Win32.WindowStyles.OverlappedWindow;
if (!context.AllowWindowResize)
{
style &= ~Win32.WindowStyles.ThickFrame;
}
_hwnd = Win32.CreateWindowEx(0, ClassName, context.Name, (uint)style,
100, 100, 800, 600, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
if (context.WindowSize.x > 0 && context.WindowSize.y > 0)
{
Resize(context.WindowSize);
}
_hdc = Win32.GetDC(_hwnd);
Win32.RECT clientRect = new Win32.RECT();
Win32.GetClientRect(_hwnd, out clientRect);
_clientSize = new Win32.SIZE(clientRect.right - clientRect.left, clientRect.bottom - clientRect.top);
// Set the pixel format for this DC
var pfd = new Win32.PixelFormatDescriptor {
Size = (short)Marshal.SizeOf <Win32.PixelFormatDescriptor>(),
Version = 1,
Flags = Win32.PixelFormatDescriptorFlags.DRAW_TO_WINDOW |
Win32.PixelFormatDescriptorFlags.SUPPORT_OPENGL |
Win32.PixelFormatDescriptorFlags.DOUBLEBUFFER,
PixelType = Win32.PixelType.Rgba,
ColorBits = 32,
RedBits = 0,
RedShift = 0,
GreenBits = 0,
GreenShift = 0,
BlueBits = 0,
BlueShift = 0,
AlphaBits = 0,
AlphaShift = 0,
AccumBits = 0,
AccumRedBits = 0,
AccumGreenBits = 0,
AccumBlueBits = 0,
AccumAlphaBits = 0,
DepthBits = 32,
StencilBits = 8,
AuxBuffers = 0,
LayerType = 0,
LayerMask = 0,
DamageMask = 0
};
int id = Win32.ChoosePixelFormat(_hdc, ref pfd);
Win32.SetPixelFormat(_hdc, id, ref pfd);
_hglrc = Win32.CreateContext(_hdc);
Win32.MakeCurrent(_hdc, _hglrc);
// Disable V-Sync ?
GL.Imports.wglSwapIntervalEXT(0);
}
protected override void Show( )
{
Win32.ShowWindow(_hwnd, Win32.ShowWindowCommand.ShowNormal);
}