TB_MARKBUTTON message
Sets the highlight state of a given button in a toolbar control.
Parameters
-
wParam
-
Command identifier for a toolbar button.
-
lParam
-
The LOWORD is a BOOL that indicates the new highlight state. If TRUE, the button is highlighted. If FALSE, the button is set to its default state.
The HIWORD must be zero.
Return value
Returns nonzero if successful, 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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