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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
Commctrl.h

See also

Using List-View Controls