public static Gdi32Context FromGraphics(Graphics graphics, bool preserveClipping, bool preserveTranslateTransform)
{
HandleRef handleRef = default(HandleRef);
try
{
if (preserveClipping || preserveTranslateTransform)
{
Region? region = null;
Matrix? matrix = null;
WindowsRegion?windowsRegion = null;
if (graphics.GetContextInfo() is object[] contextInfo && contextInfo.Length == 2)
{
region = (contextInfo[0] as Region);
matrix = (contextInfo[1] as Matrix);
if (region is { })
{
windowsRegion = WindowsRegion.FromRegion(region, graphics);
}
}
public RegionFlags CombineRegion(WindowsRegion region1, WindowsRegion region2, RegionCombineMode mode)
{
return(CombineRgn(HRegion, region1.HRegion, region2.HRegion, mode));
}
