2560_swh = new SourceWindowHelper(source); 6945_swh = null;

2148Point ptLogicalUnits = _swh.CompositionTarget.TransformFromDevice.Transform(ptDeviceUnits); 2155Point ptDeviceUnits = _swh.CompositionTarget.TransformToDevice.Transform(ptLogicalUnits); 2299if ( _swh != null ) 2301return _swh.IsSourceWindowNull; 2311if (_swh != null) 2313return _swh.IsCompositionTargetInvalid; 2323Debug.Assert( _swh != null ); 2324return _swh.WorkAreaBoundsForNearestMonitor; 2332Debug.Assert( _swh != null ); 2333return _swh.WindowSize; 2345if ( _swh != null ) 2346return _swh.HwndSourceWindow; 2595_swh.AddDisposedHandler ( new EventHandler(OnSourceWindowDisposed) ); 2607UnsafeNativeMethods.ChangeWindowMessageFilterEx(_swh.CriticalHandle, WM_TASKBARBUTTONCREATED, MSGFLT.ALLOW, out info); 2608UnsafeNativeMethods.ChangeWindowMessageFilterEx(_swh.CriticalHandle, WindowMessage.WM_COMMAND, MSGFLT.ALLOW, out info); 2682_Style = _swh.StyleFromHwnd; 2917_swh.RootVisual = this; 3220if (_swh != null) 3222return _swh.CriticalHandle; 3293return _swh.StyleFromHwnd; 3317return _swh.StyleExFromHwnd; 3452return _swh.GetSizeFromHwndInMeasureUnits(); 4297if(_swh != null && _swh.CompositionTarget != null) // For extraneous messages during shutdown 4491wasActive = _swh.IsActiveWindow; 6913if (_swh != null) 6915_swh.ClearRootVisual(); 6922return _swh.GetPointRelativeToWindow( x, y, this.FlowDirection); 6931return AllowsTransparency ? new Size(0, 0) : _swh.GetHwndNonClientAreaSizeInMeasureUnits(); 6936if (_swh != null) 6940_swh.RemoveDisposedHandler(OnSourceWindowDisposed); 6944HwndSource source = _swh.HwndSourceWindow; 7067if (_swh != null) 7117if (_swh != null) 7129_swh.UpdatePanningFeedback(totalOverpanOffset, false); 7139if (_swh != null) 7142_swh.EndPanningFeedback(animateBack); 7153if (!double.IsNaN(_prePanningLocation.X) && !double.IsNaN(_prePanningLocation.Y) && (_swh != null)) 7176return _swh.HwndSourceSizeToContent; 7180_swh.HwndSourceSizeToContent = value; 7188Debug.Assert( _swh != null ); 7189return _swh.WindowBounds; 7197return _swh != null ? _swh.StyleFromHwnd : 0; 7205return _swh != null ? _swh.StyleExFromHwnd : 0;