[Closed] please help me

Here’s a link I found really useful.

http://sparks.discreet.com/knowledgebase/sdkdocs_v8/index.html

try (destroydialog X ) catch ()
rollout X "" height:250 (

	label txt "checked: 0"
	
	dotnetcontrol lv "System.Windows.Forms.ListView"
	
	on x open do 
	(

		lv.View = (dotNetClass "System.Windows.Forms.View").Details
		lv.Columns.add "items" 50
		lv.Columns.add "squares" 100
		lv.CheckBoxes = true
		lv.gridLines = true
		
		for i=1 to 9 do 
		(
			li = dotNetObject "System.Windows.Forms.ListViewItem"  (i as string)
			li.SubItems.add ((i*i) as string)
			
			lv.Items.Add li
		)
		
		lv.height = 200

	)
	
	on lv ItemChecked sender arg do
	(
		txt.text = "checked: " + sender.CheckedIndices.count as string		
	)
)
createDialog X

thanx alot serejah
I can solve my mistake with your guide. your script very helpful.
good luck