public MessagePanel(ref Direct2DPointers direct2DPointers, SizeU canvasSize, UInt32 backgroundColor)
{
PanelRectangle = canvasSize;
BackgroundColor = backgroundColor;
CreateDirect2DCanvas(PanelRectangle, ref direct2DPointers);
WipeCanvas();
}
/// <summary>
/// Create pointers for IWICBitmap and ID2D1RenderTarget, and set the canvas size
/// </summary>
/// <param name="canvasSize">Desired bitmap width and height</param>
/// <param name="direct2DPointers">An instantiated instance of Direct2DPointers</param>
public void CreateDirect2DCanvas(SizeU canvasSize, ref Direct2DPointers direct2DPointers)
{
Marshal.ThrowExceptionForHR(UnsafeNativeMethods.CreateWICBitmap(ref direct2DPointers, canvasSize.Width, canvasSize.Height, ref Direct2DCanvas));
Marshal.ThrowExceptionForHR(UnsafeNativeMethods.CreateRenderTarget(ref Direct2DCanvas));
}
