IntPtr WndEvents(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam)
{
switch (msg)
{
case USER32.WM_CREATE:
return(IntPtr.Zero);
case USER32.WM_ACTIVATEAPP:
this.wActive = (wParam != IntPtr.Zero);
return(IntPtr.Zero);
case USER32.WM_CLOSE:
USER32.DestroyWindow(this.wHandle);
return(IntPtr.Zero);
case USER32.WM_DESTROY:
OPENGL32.wglMakeCurrent(this.dcHandle, IntPtr.Zero);
OPENGL32.wglDeleteContext(this.wglContext);
USER32.PostQuitMessage(0);
return(IntPtr.Zero);
default:
return(USER32.DefWindowProc(hWnd, msg, wParam, lParam));
}
}
public void InitializeOpenGL( )
{
this.dcHandle = USER32.GetDC(this.wHandle);
GDI32.PIXELFORMATDESCRIPTOR pfd = new GDI32.PIXELFORMATDESCRIPTOR( );
pfd.nSize = ( ushort )Marshal.SizeOf(pfd);
pfd.nVersion = 1;
pfd.dwFlags = (OPENGL32.PFD_DRAW_TO_WINDOW | OPENGL32.PFD_SUPPORT_OPENGL | OPENGL32.PFD_DOUBLEBUFFER);
pfd.iPixelType = OPENGL32.PFD_TYPE_RGBA;
pfd.cColorBits = 24;
pfd.cDepthBits = 16;
pfd.cStencilBits = 8;
pfd.iLayerType = OPENGL32.PFD_MAIN_PLANE;
int pixelFormat = GDI32.ChoosePixelFormat(this.dcHandle, pfd);
GDI32.SetPixelFormat(this.dcHandle, pixelFormat, pfd);
this.wglContext = OPENGL32.wglCreateContext(this.dcHandle);
OPENGL32.wglMakeCurrent(this.dcHandle, this.wglContext);
this.Initialize( );
}