/// <summary>
/// Creates an <see cref="SharpDX.Direct2D1.DrawingStateBlock"/> that can be used with the {{SaveDrawingState}} and {{RestoreDrawingState}} methods of a render target.
/// </summary>
/// <param name="factory">an instance of <see cref = "SharpDX.Direct2D1.Factory" /></param>
/// <param name="drawingStateDescription">A structure that contains antialiasing, transform, and tags information.</param>
/// <param name="textRenderingParams">Optional text parameters that indicate how text should be rendered. </param>
public DrawingStateBlock(Factory factory, SharpDX.Direct2D1.DrawingStateDescription?drawingStateDescription, SharpDX.DirectWrite.RenderingParams textRenderingParams)
: base(IntPtr.Zero)
{
factory.CreateDrawingStateBlock(drawingStateDescription, textRenderingParams, this);
}