<function name="OpenMenu" parent="DComboBox" type="panelfunc"> <description>Opens the combo box drop down menu. Called when the combo box is clicked.</description> <file line="170-L230">lua/vgui/dcombobox.lua</file> <file line="176-L234">lua/vgui/dcombobox.lua</file> <realm>Client and Menu</realm> </function>