This macro calculates the approximate width and height required to display a specified number of items.

DWORD ListView_ApproximateViewRect(
HWND hwndLV, 
int cx, 
int cy, 
int iCount );


  • hwndLV
    Handle to a list view control.
  • iCount
    Number of items to be displayed in the control. If this parameter is –1, the message uses the total number of items in the control.
  • cx and cy
    Proposed dimensions of the control, in pixels. Either parameter can be –1 to allow the message to use the current width or height value.

Return Values

Returns a DWORD value that holds the approximate width and height needed to display the items, in pixels.




Runs on Versions Defined in Include Link to
Windows CE OS 2.0 and later Commctrl.h    

Note   This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.

 Last updated on Tuesday, July 13, 2004

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