ListView column width question

[Noob]

In my ListView I only need one column. I'd like this column to be quite wide (340 pixels, or as close as I can get to 340px, if possible). However, I don't even know how to stretch it to a half of the width I need.

This is from the Help:

You can control initial column size by padding blanks to the column heading definition. The column can be extend during the GUICtrlCreateListViewItem according to item size. Size of a column will be up to around 25 characters. No resizing will be done during an update by GUICtrlSetData.

The column doesn't seem to automatically extend when an item is added. I looked thru Styles and Extended Styles of GUICtrlCreateListView, but I found nothing of relevance. I must be looking in the wrong places. Could someone suggest what to do? Thanks much in advance.

[Zedna]

Const $LVM_SETCOLUMNWIDTH = 0x101E
Const $LVSCW_AUTOSIZE = -1
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you must call this everytime after change/add data in ListView

[PsaltyDS]

Const $LVM_SETCOLUMNWIDTH = 0x101E
[code]GUICtrlSendMsg($ListView1, $LVM_SETCOLUMNWIDTH, 0, 340)oÝ÷ Ûú®¢×׫zËb
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[Noob]

Zedna, it works You've help me big! Thanks VERY much!

EDIT: PsalyDS, thanks!

Edited April 23, 2007 by Noob