/// <summary>
/// 监听stroke变化事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Strokes_StrokesChanged(object sender, StrokeCollectionChangedEventArgs e)
{
StrokeCollection added = new StrokeCollection(e.Added);
StrokeCollection removed = new StrokeCollection(e.Removed);
CommandItem item = new StrokesAddedOrRemovedCI(_cmdStack, canvas.EditingMode, added, removed, _editingOperationCount);
_cmdStack.Enqueue(item);
}
private void InkCanvas_SelectionResizingOrMoving(object sender, InkCanvasSelectionEditingEventArgs e)
{
Rect newRect = e.NewRectangle;
Rect oldRect = e.OldRectangle;
if (newRect.Top < 0d || newRect.Left < 0d)
{
Rect newRect2 =
new Rect(newRect.Left < 0d ? 0d : newRect.Left,
newRect.Top < 0d ? 0d : newRect.Top,
newRect.Width,
newRect.Height);
e.NewRectangle = newRect2;
}
CommandItem item = new SelectionMovedOrResizedCommandItem(_commandStack,
_drawingBoardView.InkCanvas.GetSelectedStrokes(), newRect, oldRect, _editingOperationCount);
_commandStack.Enqueue(item);
}