2538_swh = new SourceWindowHelper(source); 6930_swh = null;

2129Point ptLogicalUnits = _swh.CompositionTarget.TransformFromDevice.Transform(ptDeviceUnits); 2136Point ptDeviceUnits = _swh.CompositionTarget.TransformToDevice.Transform(ptLogicalUnits); 2278if ( _swh != null ) 2280return _swh.IsSourceWindowNull; 2290if (_swh != null) 2292return _swh.IsCompositionTargetInvalid; 2302Debug.Assert( _swh != null ); 2303return _swh.WorkAreaBoundsForNearestMonitor; 2311Debug.Assert( _swh != null ); 2312return _swh.WindowSize; 2324if ( _swh != null ) 2325return _swh.HwndSourceWindow; 2573_swh.AddDisposedHandler ( new EventHandler(OnSourceWindowDisposed) ); 2585UnsafeNativeMethods.ChangeWindowMessageFilterEx(_swh.Handle, WM_TASKBARBUTTONCREATED, MSGFLT.ALLOW, out info); 2586UnsafeNativeMethods.ChangeWindowMessageFilterEx(_swh.Handle, WindowMessage.WM_COMMAND, MSGFLT.ALLOW, out info); 2662_Style = _swh.StyleFromHwnd; 2897_swh.RootVisual = this; 3200if (_swh != null) 3202return _swh.Handle; 3273return _swh.StyleFromHwnd; 3297return _swh.StyleExFromHwnd; 3434return _swh.GetSizeFromHwndInMeasureUnits(); 4278if(_swh != null && _swh.CompositionTarget != null) // For extraneous messages during shutdown 4472wasActive = _swh.IsActiveWindow; 6898if (_swh != null) 6900_swh.ClearRootVisual(); 6907return _swh.GetPointRelativeToWindow( x, y, this.FlowDirection); 6916return AllowsTransparency ? new Size(0, 0) : _swh.GetHwndNonClientAreaSizeInMeasureUnits(); 6921if (_swh != null) 6925_swh.RemoveDisposedHandler(OnSourceWindowDisposed); 6929HwndSource source = _swh.HwndSourceWindow; 7052if (_swh != null) 7102if (_swh != null) 7114_swh.UpdatePanningFeedback(totalOverpanOffset, false); 7124if (_swh != null) 7127_swh.EndPanningFeedback(animateBack); 7138if (!double.IsNaN(_prePanningLocation.X) && !double.IsNaN(_prePanningLocation.Y) && (_swh != null)) 7161return _swh.HwndSourceSizeToContent; 7165_swh.HwndSourceSizeToContent = value; 7173Debug.Assert( _swh != null ); 7174return _swh.WindowBounds; 7182return _swh != null ? _swh.StyleFromHwnd : 0; 7190return _swh != null ? _swh.StyleExFromHwnd : 0;