Gets the WinGP display state.
Function Name
INT32 GetScreenState (
INT32 l_RuntimeHandle ,
INT32 *pl_ScreenState );
Argument
l_RuntimeHandle: (i) WinGP handle from which it gets the information
pl_ScreenState: (o) Screen state
0: FULLSCREEN (Full screen)
1: WINDOWSCREEN (Window screen)
2: MINIMUMSCREEN (Minimized)
-1: UNCERTAIN (Unknown)
Return value (NULL)
Status
0: Completed
-1: Parameter error
-2: Timeout
1: State WinGP does not accept (ending, etc.)