# Function Reference

# _GUICtrlListView_GetColumnWidth

Retrieves the width of a column in report or list view

#include <GuiListView.au3>
_GUICtrlListView_GetColumnWidth ( $hWnd, $iCol )

## Parameters

$hWnd | Control ID/Handle to the control
$iCol | The index of the column. This parameter is ignored in list view.

## Return Value

Success: | the column width.
Failure: | 0.

## Remarks

If this message is sent to a list-view control with the $LVS_REPORT style and the specified column doesn't exist, the return value is undefined.

## Related

_GUICtrlListView_SetColumnWidth

## Example

    #include <GUIConstantsEx.au3>
    #include <GuiListView.au3>
    #include <MsgBoxConstants.au3>

    Example()

    Func Example()
        GUICreate("ListView Get/Set Column Width (v" & @AutoItVersion & ")", 400, 300)
        Local $idListview = GUICtrlCreateListView("Column 0|Column 1|Column 2", 2, 2, 394, 268)
        GUISetState(@SW_SHOW)

        _GUICtrlListView_SetColumnWidth($idListview, 0, 100)

        ; Change column 0 width
        MsgBox($MB_SYSTEMMODAL, "Information", "Column 0 Width: " & _GUICtrlListView_GetColumnWidth($idListview, 0))
        _GUICtrlListView_SetColumnWidth($idListview, 0, 150)
        MsgBox($MB_SYSTEMMODAL, "Information", "Column 0 Width: " & _GUICtrlListView_GetColumnWidth($idListview, 0))

        ; Loop until the user exits.
        Do
        Until GUIGetMsg() = $GUI_EVENT_CLOSE
        GUIDelete()
    EndFunc   ;==>Example