public MouseCapture()
{
IntPtr desk = PInvoke.GetDesktopWindow();
using(Graphics desktop = Graphics.FromHwnd(desk))
mask = DeviceHandle.CreateCompatibleDC(desktop);
cursorInfoSize = Marshal.SizeOf(typeof(CURSORINFO));
}
public MouseCapture()
{
IntPtr desk = PInvoke.GetDesktopWindow();
using (Graphics desktop = Graphics.FromHwnd(desk))
mask = DeviceHandle.CreateCompatibleDC(desktop);
cursorInfoSize = Marshal.SizeOf(typeof(CURSORINFO));
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
// free managed resources
mask.Dispose();
mask = null;
}
}
public static DeviceHandle CreateCompatibleDC(Graphics graphics)
{
if(graphics == null)
throw new ArgumentNullException("graphics");
IntPtr source = graphics.GetHdc();
IntPtr handle = PInvoke.CreateCompatibleDC(source);
DeviceHandle dc = new DeviceHandle(handle);
graphics.ReleaseHdc(source);
return dc;
}
public static DeviceHandle CreateCompatibleDC(Graphics graphics)
{
if (graphics == null)
{
throw new ArgumentNullException("graphics");
}
IntPtr source = graphics.GetHdc();
IntPtr handle = PInvoke.CreateCompatibleDC(source);
DeviceHandle dc = new DeviceHandle(handle);
graphics.ReleaseHdc(source);
return(dc);
}
protected virtual void Dispose(bool disposing)
{
if(disposing)
{
// free managed resources
mask.Dispose();
mask = null;
}
}