<function name="OnSelect" parent="DComboBox" type="panelhook"> <description>Called when an option in the combo box is selected. This function does nothing by itself, you're supposed to overwrite it.</description> <realm>Client and Menu</realm> <file line="124-L128">lua/vgui/dcombobox.lua</file> <file line="120-L124">lua/vgui/dcombobox.lua</file> <args> <arg name="index" type="number">The index of the option for use with other <page>DComboBox</page> functions.</arg> <arg name="value" type="string">The name of the option.</arg> <arg name="data" type="any">The data assigned to the option.</arg> </args> </function> <example> <description>Creates a combo box that controls the color of the background panel.</description> <code> local frame = vgui.Create("DFrame") frame:SetSize( 500, 500 ) frame:Center() frame:MakePopup() -- Background panel local BGPanel = vgui.Create( "DPanel", frame ) BGPanel:Dock( FILL ) local cbox = vgui.Create( "DComboBox", BGPanel ) cbox:SetPos( 5, 5 ) cbox:SetSize( 190, 20 ) cbox:SetValue( "Pick a color" ) -- Default text -- Color choices cbox:AddChoice( "Red", Color( 255, 0, 0 ) ) cbox:AddChoice( "Orange", Color( 255, 128, 0 ) ) cbox:AddChoice( "Yellow", Color( 255, 255, 0 ) ) cbox:AddChoice( "Green", Color( 0, 255, 0 ) ) cbox:AddChoice( "Blue", Color( 0, 0, 255 ) ) cbox:AddChoice( "Indigo", Color( 64, 0, 255 ) ) cbox:AddChoice( "Violet", Color( 128, 0, 255 ) ) cbox:AddChoice( "Pink", Color( 255, 0, 255 ) ) function cbox:OnSelect( index, text, data ) -- Set background panel color BGPanel:SetBackgroundColor( data ) end </code> </example>