[The IRDPSRAPIViewer interface is no longer available for use for UWP applications as of Windows 10, version 1709. It is still supported for Desktop apps.]
Requests the sharer to change the control level of the viewer. After this method is called, a message is sent to the sharer to notify the sharer that a viewer is requesting a control level change. After the sharer receives the message, an event is raised on the sharer side to notify the application that an attendee is requesting a change in control level. The application or user can then decide whether to allow the requested level of control for an attendee.
HRESULT RequestControl( CTRL_LEVEL CtrlLevel );
One of the values of the CTRL_LEVEL enumeration.
If the method succeeds, the return value is S_OK. Otherwise, the return value is an error code.
|Minimum supported client||Windows Vista [desktop apps only]|
|Minimum supported server||Windows Server 2008 [desktop apps only]|