void DesignerPanel_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
IUISelectionService selectionServ = this.DesignedControl.Site.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ == null)
{
return;
}
selectionServ.SetCursor(e.X, e.Y);
if (_mouseDown)
{
if (_firstMove)
{
selectionServ.MouseDragBegin(this.DesignerPanel, e.X, e.Y);
_firstMove = false;
}
else
{
selectionServ.MouseDragMove(e.X, e.Y);
}
}
else if (selectionServ.SelectionInProgress)
{
selectionServ.MouseDragMove(e.X, e.Y);
}
}
protected override void OnMouseDragMove(int x, int y)
{
IUISelectionService selectionServ = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ != null)
{
Point location = new Point(x, y);
if (!selectionServ.SelectionInProgress)
{
location = this.SnapPointToGrid(new Point(x, y));
}
selectionServ.MouseDragMove(location.X, location.Y);
}
}