private void InitPanTool()
{
_panTool = new PanTool();
_panTool.SetCanvas(this);
_panTool.SetWaiting();
this.MouseMove += _panTool.CanvasTool_MouseMove;
this.MouseDown += _panTool.CanvasTool_MouseDown;
this.MouseUp += _panTool.CanvasTool_MouseUp;
}
