This method is specific to version 3, or higher, of the OS/2 operating system.
This instance method determines how the action buttons are displayed on the Toolbar.
#define INCL_WINWORKPLACE #include <os2.h> WPLaunchPad *somSelf; /* Pointer to the object on which the method is being invoked. */ ULONG ulStyle; /* Flag indicating the style of the action buttons. */ ulStyle = _wpQueryActionButtonStyle(somSelf);