protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
this.OnWorksheetMouseMove(e.GetPosition(this), WPFUtility.ConvertToUIMouseButtons(e));
}
protected override void OnMouseWheel(MouseWheelEventArgs e)
{
base.OnMouseWheel(e);
this.currentWorksheet.OnMouseWheel(e.GetPosition(this), e.Delta, WPFUtility.ConvertToUIMouseButtons(e));
}