DListView.OnClickLine

local guipanel = vgui.Create("DFrame") //Create a standard DFrame
guipanel:SetPos(100, 100)
guipanel:SetSize(200, 200)
guipanel:SetTitle("Testing lists")
guipanel:SetDraggable(true)
guipanel:ShowCloseButton(true)
 
local guicmdlist = vgui.Create("DListView",guipanel) //Create a DListView object
guilist:SetPos(5, 5)
guilist:SetSize(150, 150)
guilist:SetMultiSelect(false) //Disallow the selection of multiple items
guilist:AddColumn("Numbers") //Creates a new column
 
for i = 1, 50 do //Adds 50 lines to our list, each with a number 1-50
	guilist:AddLine(tostring(i))
end
 
guilist.OnClickLine = function(parent, line, isselected) //We override the function with our own
	guipanel:SetVisible(false) //Don't allow the action to be performed twice
	print(line:GetValue(1)) //Prints the value of the first column in our line.
end
 
//Shows the DFrame
guipanel:MakePopup()
guipanel:SetVisible(true)