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Sets or clears the indeterminate state of the specified button in a toolbar.
Parameters
-
wParam
-
Command identifier of the button whose indeterminate state is to be set or cleared.
-
lParam
-
The LOWORD is a BOOL that indicates whether to set or clear the indeterminate state. If TRUE, the indeterminate state is set. If FALSE, the state is cleared.
The HIWORD must be zero.
Return value
Returns TRUE if successful, or FALSE otherwise.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|