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
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
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