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Removes a group from a list-view control.
Parameters
- 
wParam 
- ID that specifies the group to remove.
- 
lParam 
- 
Must be NULL. 
Return value
Returns the index of the group if successful, or -1 otherwise.
Remarks
Note
To use this message, you must provide a manifest specifying Comclt32.dll version 6.0. For more information on manifests, see Enabling Visual Styles.
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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