private SubclassWindow CreateSubclassWindow(IntPtr hwnd)
{
var window = new SubclassWindow(this);
var failed = false;
try
{
window.AssignHandle(hwnd);
return(window);
}
catch (Exception ex)
{
failed = true;
ErrorMessage = string.Format("{0}: {1}", ex.GetType().Name, ex.Message);
throw;
}
finally
{
if (failed)
{
window.ReleaseHandle();
}
}
}
public void Detach()
{
IsRendering = false;
Thread thread = null;
SubclassWindow window = null;
lock (_syncRoot)
{
window = _window;
_window = null;
thread = _thread;
_thread = null;
_isRunning = false;
}
// wait&release outside lock to avoid deadlock
if (thread != null && thread.IsAlive)
{
thread.Join();
}
if (window != null)
{
window.ReleaseHandle();
}
}