This method resets the z-order for a Forms Manager to the value of the z-order before the last call to IfmManage::MoveToForeground.
HRESULT RestoreZOrder( LONG ZOrder );
NOERROR indicates success. If an error occurs, the appropriate HRESULT value is returned.
After calling IfmManage::MoveToForeground, your application can restore the z-order of the application by calling IfmManage::RestoreZOrder with the z-order that the application received from the call to IfmManage::MoveToForeground.