Something

local str = [["resource/ui/vgui_mailbox.res"{	"vgui_frame"	{		"ControlName"		"Frame"		"fieldName"		"vgui_frame"		"xpos"		"40"		"ypos"		"40"		"zpos"		"290"		"wide"		"]] ScrW() - 160 [["		"tall"		"160"		"autoResize"	"0"		"pinCorner"		"0"		"visible"		"1"		"enabled"		"1"		"tabPosition"	"0"		"settitlebarvisible"		"1"		"title"		"Mailbox"		"sizable"		"0"	}	"ClickMe"	{		"ControlName"		"Button"		"fieldName"		"ClickMe"		"xpos"		"285"		"ypos"		"136"		"zpos"		"290"		"wide"		"100"		"tall"		"24"		"autoResize"		"0"		"pinCorner"		"0"		"visible"		"1"		"enabled"		"1"		"tabPosition"		"0"		"labelText"		"Click Me!"		"textAlignment"		"west"		"dulltext"		"0"		"brighttext"		"0"		"font"		"Default"		"wrap"		"0"		"Command"		"!"		"Default"		"0"	}}]]local Window	= nil  local function MailboxWindow()     	if ( Window ) then	Window:SetVisible( true ) return endWindow = vgui.Create( "Frame" )Window:SetName( "vgui_frame" )local button = vgui.Create( "Button", Window, "ClickMe" )button:SetActionFunction( ClickHere )Window:LoadControlsFromString( str )Window:SetKeyBoardInputEnabled( true )Window:SetMouseInputEnabled( true )Window:SetPos( 80, 80 )Window:SetVisible( true )endconcommand.Add( "test_vgui", MailboxWindow )local function ClickHere()   // Add click here code end