public static Rectangle GetBoundsInt(this Region region)
{
Rectangle[] scans = new Rectangle[0];
using (NullGraphics nullGraphics = new NullGraphics())
{
IntPtr hRgn = IntPtr.Zero;
try
{
hRgn = region.GetHrgn(nullGraphics.Graphics);
GetRegionScans(hRgn, out scans);
}
finally
{
if (hRgn != IntPtr.Zero)
{
SafeNativeMethods.DeleteObject(hRgn);
hRgn = IntPtr.Zero;
}
}
}
if (scans.Length == 0)
{
return(Rectangle.Empty);
}
Rectangle bounds = scans[0];
for (int i = 1; i < scans.Length; i++)
{
bounds = Rectangle.Union(bounds, scans[i]);
}
return(bounds);
}
public static Rectangle[] GetRegionScansReadOnlyInt(this Region region)
{
Rectangle[] scans = new Rectangle[0];
using (NullGraphics nullGraphics = new NullGraphics())
{
IntPtr hRgn = IntPtr.Zero;
try
{
hRgn = region.GetHrgn(nullGraphics.Graphics);
GetRegionScans(hRgn, out scans);
}
finally
{
if (hRgn != IntPtr.Zero)
{
SafeNativeMethods.DeleteObject(hRgn);
hRgn = IntPtr.Zero;
}
}
}
return(scans);
}
