[DllImport("gdi32")] public static extern int StretchDIBits(HDC hdc, int x, int y, int dx, int dy, int SrcX, int SrcY, int wSrcWidth, int wSrcHeight, IntPtr lpBits, ref BITMAPINFO lpBitsInfo, int wUsage, int dwRop);
[DllImport("gdi32")] public static extern int SetDIBitsToDevice(HDC hdc, int x, int y, int dx, int dy, int SrcX, int SrcY, int Scan, int NumScans, IntPtr Bits, BITMAPINFO BitsInfo, int wUsage);
[DllImport("gdi32")] public static extern int CreateDIBitmap(HDC hdc, ref BITMAPINFOHEADER lpInfoHeader, int dwUsage, IntPtr lpInitBits, ref BITMAPINFO lpInitInfo, int wUsage);
[DllImport("gdi32")] public static extern int SetDIBits(HDC hdc, HANDLE hBitmap, int nStartScan, int nNumScans, IntPtr lpBits, ref BITMAPINFO lpBI, int wUsage);
[DllImport("gdi32")] public static extern int CreateDIBSection(HWND hdc, ref BITMAPINFO pBitmapInfo, int un, ref IntPtr lplpVoid, HANDLE handle, int dw);
