HDM_CLEARFILTER message
Clears the filter for a given header control. You can send this message explicitly or use the Header_ClearFilter macro.
Parameters
-
wParam
-
A column value indicating which filter to clear.
-
lParam
- Must be zero.
Return value
Returns an integer. The LRESULT is cast to an integer that indicates TRUE(1) or FALSE(0).
Remarks
If the column value is specified as -1, all the filters are cleared, and the HDN_FILTERCHANGE notification is sent only once.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|