wpQueryScreenGroupID

This method is specific to version 3 of the OS/2 operating system.

This instance method returns the screen group ID of the running application for a given object.

Syntax

_wpQueryScreenGroupID(somSelf, usPrevSgId)

Parameters

somSelf (WPObject *) - input

Pointer to the object on which the method is being invoked.

Points to an object of class WPObject.

usPrevSgId (USHORT) - input

Previous screen group ID.

• **0** The first ID is returned.
• **other** The next ID after the *usPrevSgId* is returned.

Returns

usScreenId (USHORT) - returns

Screen group ID.

How to Override

This method should not be overridden.

Usage

This method can be called at any time.

Example Code

#define INCL_WINWORKPLACE
#include <os2.h>

WPObject *somSelf; /* Pointer to the object on which the method is being invoked. */
USHORT usPrevSgId; /* Previous screen group ID. */
USHORT usScreenId; /* Screen group ID. */

usScreenId = _wpQueryScreenGroupID(somSelf,
               usPrevSgId);