This message determines whether the specified button in a toolbar is indeterminate.

TB_ISBUTTONINDETERMINATE wParam = (WPARAM) idButton; lParam = 0; 


  • idButton
    Command identifier of the button.

Return Values

Nonzero indicates that the button is indeterminate. Zero indicates.


Runs on Versions Defined in Include Link to
Windows CE OS 1.0 and later Commctrl.h    

Note   This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.

 Last updated on Tuesday, July 13, 2004

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