###User Defined Function###
_GUICtrlListView_ApproximateViewHeight

###Description###
Calculates the approximate height required to display a given number of items

###Syntax###
#include <GuiListView.au3>
_GUICtrlListView_ApproximateViewHeight ( $hWnd [, $iCount = -1 [, $iCX = -1 [, $iCY = -1]]] )


###Parameters###
@@ParamTable@@
$hWnd
	Control ID/Handle to the control
$iCount
	[optional] 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.
$iCX
	[optional] Proposed X dimension of the control, in pixels. This parameter can be set to -1 to allow the message to use the current width value.
$iCY
	[optional] Proposed Y dimension of the control, in pixels. This parameter can be set to -1 to allow the message to use the current height value.
@@End@@

###ReturnValue###
Returns the Approximate height, in pixels, needed to display the items.


###Remarks###
Setting the size of the control based on the dimensions provided by this message can optimize redraw and reduce flicker.


###Related###
_GUICtrlListView_ApproximateViewWidth, _GUICtrlListView_ApproximateViewRect


###Example###
@@IncludeExample@@
