2527_swh = new SourceWindowHelper(source); 6904_swh = null;

2121Point ptLogicalUnits = _swh.CompositionTarget.TransformFromDevice.Transform(ptDeviceUnits); 2128Point ptDeviceUnits = _swh.CompositionTarget.TransformToDevice.Transform(ptLogicalUnits); 2270if ( _swh != null ) 2272return _swh.IsSourceWindowNull; 2282if (_swh != null) 2284return _swh.IsCompositionTargetInvalid; 2294Debug.Assert( _swh != null ); 2295return _swh.WorkAreaBoundsForNearestMonitor; 2303Debug.Assert( _swh != null ); 2304return _swh.WindowSize; 2316if ( _swh != null ) 2317return _swh.HwndSourceWindow; 2562_swh.AddDisposedHandler ( new EventHandler(OnSourceWindowDisposed) ); 2574UnsafeNativeMethods.ChangeWindowMessageFilterEx(_swh.Handle, WM_TASKBARBUTTONCREATED, MSGFLT.ALLOW, out info); 2575UnsafeNativeMethods.ChangeWindowMessageFilterEx(_swh.Handle, WindowMessage.WM_COMMAND, MSGFLT.ALLOW, out info); 2651_Style = _swh.StyleFromHwnd; 2886_swh.RootVisual = this; 3189if (_swh != null) 3191return _swh.Handle; 3262return _swh.StyleFromHwnd; 3286return _swh.StyleExFromHwnd; 3423return _swh.GetSizeFromHwndInMeasureUnits(); 4264if(_swh != null && _swh.CompositionTarget != null) // For extraneous messages during shutdown 4452wasActive = _swh.IsActiveWindow; 6875_swh?.ClearRootVisual(); 6881return _swh.GetPointRelativeToWindow( x, y, this.FlowDirection); 6890return AllowsTransparency ? new Size(0, 0) : _swh.GetHwndNonClientAreaSizeInMeasureUnits(); 6895if (_swh != null) 6899_swh.RemoveDisposedHandler(OnSourceWindowDisposed); 6903HwndSource source = _swh.HwndSourceWindow; 7026if (_swh != null) 7070if (_swh != null) 7082_swh.UpdatePanningFeedback(totalOverpanOffset, false); 7093_swh?.EndPanningFeedback(animateBack); 7103if (!double.IsNaN(_prePanningLocation.X) && !double.IsNaN(_prePanningLocation.Y) && (_swh != null)) 7126return _swh.HwndSourceSizeToContent; 7130_swh.HwndSourceSizeToContent = value; 7138Debug.Assert( _swh != null ); 7139return _swh.WindowBounds; 7147return _swh != null ? _swh.StyleFromHwnd : 0; 7155return _swh != null ? _swh.StyleExFromHwnd : 0;