public GridSplitterHandle(View parent, View layoutParent = null, string id = null, Template template = null, Action <View> initializer = null) :
base(parent, layoutParent, id, template ?? GridSplitterHandleTemplates.Default, initializer)
{
// constructing Image (SplitterHandle)
SplitterHandle = new Image(this, this, "SplitterHandle", SplitterHandleTemplate);
Drag.RegisterHandler(this, "OnDrag");
BeginDrag.RegisterHandler(this, "OnBeginDrag");
InitializePotentialDrag.RegisterHandler(this, "OnInitializePotentialDrag");
EndDrag.RegisterHandler(this, "OnEndDrag");
MouseEnter.RegisterHandler(this, "OnMouseEnter");
MouseExit.RegisterHandler(this, "OnMouseExit");
ContentContainer = SplitterHandle;
this.AfterInitializeInternal();
}