DComboBox
Example
Creates a Combo Box.
local frame = vgui.Create( "DFrame" )
frame:SetSize( 300, 250 )
frame:Center()
frame:MakePopup()
local DComboBox = vgui.Create( "DComboBox", frame )
DComboBox:SetPos( 5, 30 )
DComboBox:SetSize( 100, 20 )
DComboBox:SetValue( "options" )
DComboBox:AddChoice( "option A" )
DComboBox:AddChoice( "option B" )
DComboBox:AddChoice( "option C" )
DComboBox.OnSelect = function( self, index, value )
print( value .." was selected at index " .. index )
end
Output: 
option B was selected!
option B was selected!Example
Create a Combo Box with all players
local comboBox = vgui.Create("DComboBox")
comboBox:SetPos(5, 5)
comboBox:SetSize(100, 20)
comboBox:SetValue("All Players")
comboBox.OnSelect = function( _, _, value)
print(value.." was selected!")
end
for k,v in pairs(player.GetAll()) do
comboBox:AddChoice(v:Name())
end
Output: 
Bot01 was selected!
Bot01 was selected!
Rust
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