/// <summary>
/// Initializes a new instance of the <see cref="Bitmap"/> class from a <see cref="System.Drawing.Bitmap"/>.
/// </summary>
/// <param name="factory">The factory.</param>
/// <param name="bitmap">The bitmap.</param>
/// <param name="options">The options.</param>
/// <unmanaged>HRESULT IWICImagingFactory::CreateBitmapFromHBITMAP([In] HBITMAP hBitmap,[In, Optional] HPALETTE hPalette,[In] WICBitmapAlphaChannelOption options,[Out, Fast] IWICBitmap** ppIBitmap)</unmanaged>
public Bitmap(ImagingFactory factory, System.Drawing.Bitmap bitmap, SharpDX.WIC.BitmapAlphaChannelOption options) : base(IntPtr.Zero)
{
var hBitmap = bitmap.GetHbitmap();
var hPalette = ConvertToHPALETTE(bitmap.Palette);
try
{
factory.CreateBitmapFromHBITMAP(hBitmap, hPalette, options, this);
}
finally
{
DeleteObject(hBitmap);
Marshal.FreeHGlobal(hPalette);
}
}
