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TB_ISBUTTONCHECKED message

Determines whether the specified button in a toolbar is checked.

Parameters

wParam

Command identifier of the button.

lParam
Must be zero.

Return value

Returns nonzero if the button is checked, or zero otherwise.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Commctrl.h

 

 

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