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Gets the number of groups. You can use this macro or send the LVM_GETGROUPCOUNT message explicitly.
Syntax
int ListView_GetGroupCount(
HWND hwnd
);
Parameters
hwnd
Type: HWND
A handle to the list-view control.
Return value
Type: int
Returns the number of groups if successful, or -1 otherwise.
Remarks
To use ListView_GetGroupCount, specify Comctl32.dll version 6 in the manifest. 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 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | commctrl.h |