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

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

 

 

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