LVM_GETNUMBEROFWORKAREAS message
Retrieves the number of working areas in a list-view control. You can send this message explicitly or use the ListView_GetNumberOfWorkAreas macro.
Parameters
-
wParam
- Must be zero.
-
lParam
-
Pointer to a UINT value that receives the number of working areas in the list-view control. If zero is placed in this variable, then no working areas are currently set. This value cannot be NULL.
Return value
The return value for this message is not used.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|