ListView_ApproximateViewRect


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ListView_ApproximateViewRect
DWORD ListView_ApproximateViewRect(
    hwndLV,
    cx,
    cy,
    iCount
);
Calculates the approximate width and height required to display a given number of items. You can use this macro or send the LVM_APPROXIMATEVIEWRECT message explicitly.
Returns a DWORD value that holds the approximate width and height needed to display the items, in pixels.

hwndLV
Handle to the list view control.
cx and cy
The proposed dimensions of the control, in pixels. Either parameter can be -1 to allow the message to use the current width or height value.
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.

Version 4.70

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