Creates controls displayed at first when dropdown with other actions is hidden. After clicking on this control, dropdown with other actions will be automatically expanded.
            
Namespace: CMS.ExtendedControlsAssembly: CMS.ExtendedControls (in CMS.ExtendedControls.dll) Version: 8.0.0.0 (8.0.5239.26125)
Parameters
- firstAction
 - Type: CMS.ExtendedControls CMSButtonAction
Action which represents the opening control 
Return Value
Type:Click on the returned control will expand dropdown list with other actions
See Also