public void ShowControl(RadDirection popupDirection, int ownerOffset)
{
if (this.Visible)
return;
bool corected = false;
Point location = RadPopupHelper.GetValidLocationForDropDown(popupDirection,
this.Size, this.OwnerElement, ownerOffset, ref corected);
if (this.grip != null)
{
if (corected)
DockLayoutPanel.SetDock(grip, Telerik.WinControls.Layouts.Dock.Top);
else
DockLayoutPanel.SetDock(grip, Telerik.WinControls.Layouts.Dock.Bottom);
}
this.Location = location;
this.AutoUpdateBounds();
if (this.AnimationEnabled)
{
this.AnimateDropDown(true);
}
else
{
this.Show();
}
}
public static Point GetValidLocationForDropDown(
RadDirection popupDirection,
Size popupSize,
RadElement owner,
int ownerOffset,
ref bool corected)
{
Rectangle screenRect = RadPopupHelper.GetScreenRect(owner);
Rectangle rectangle = owner.ControlBoundingRectangle;
if (owner.ElementTree != null)
{
rectangle = owner.ElementTree.Control.RectangleToScreen(rectangle);
}
return(RadPopupHelper.GetValidLocationForDropDown(popupDirection, screenRect, popupSize, rectangle, ownerOffset, ref corected));
}