LVM_APPROXIMATEVIEWRECT

Windows Mobile 6.5
A version of this page is also available for
4/8/2010

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


LVM_APPROXIMATEVIEWRECT wParam = (WPARAM)(INT) iCount;
    lParam = (LPARAM) MAKELPARAM(cx, cy);

iCount

Number of items to be displayed in the control. If this parameter is set to –1, the message uses the total number of items in the control.

cxand cy

Specify the proposed dimensions of the control, in pixels. Either parameter can beset to –1 to allow the message to use the current width or height value.

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

Setting the size of the list-view control based on the dimensions provided by this message can optimize redraw and reduce flicker.

Headercommctrl.h
Windows Embedded CEWindows CE 2.0 and later
Windows MobileWindows Mobile Version 5.0 and later

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