private void Init()
{
var pfd = new PixelFormatDescriptor();
pfd.Initialize();
this.hDC = WindowsOpenGLNative.GetDC(this.Handle);
if (this.hDC == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
var iPixelformat = WindowsOpenGLNative.ChoosePixelFormat(this.hDC, ref pfd);
if (iPixelformat == 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
// Set the pixel format
if (!WindowsOpenGLNative.SetPixelFormat(this.hDC, iPixelformat, ref pfd))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
// Create a new OpenGL rendering context
this.hRC = WindowsOpenGLNative.wglCreateContext(this.hDC);
if (this.hRC == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
public static extern Int32 DescribePixelFormat(IntPtr hdc, int iPixelFormat, uint nbytes, ref PixelFormatDescriptor ppfd);
public static extern bool SetPixelFormat(IntPtr hdc, int iPixelFormat, ref PixelFormatDescriptor ppfd);
public static extern int ChoosePixelFormat(IntPtr hdc, ref PixelFormatDescriptor ppfd);
