Panel:SetCommand
void Panel:SetCommand()
Description
Sets the action signal command that's fired when a Button is clicked. The hook PANEL:ActionSignal is called as the click response.
This has no effect on buttons unless it has had its AddActionSignalTarget method called (an internal function not available by default in Garry's Mod LUA).
A better alternative is calling Panel:Command when a DButton is clicked.
Example
Creates an engine-based Frame panel and changes the command that's fired when you click the white close button (by default the command is set to "Close").
-- Create a regular Frame panel
TestFrame = vgui.Create("Frame")
TestFrame:SetSize(200, 200)
TestFrame:Center()
TestFrame:MakePopup()
TestFrame:SetVisible(true)
local lbl = vgui.Create("DLabel", TestFrame)
lbl:Dock(FILL)
lbl:DockMargin(10, 10, 10, 10)
lbl:SetText("Click the white button in the upper right corner of this window.")
lbl:SetFont("ChatFont")
lbl:SetWrap(true)
-- Create a background panel so we can see the Frame's internal buttons
local bg = vgui.Create("DPanel", TestFrame)
bg:Dock(FILL)
bg:SetBackgroundColor(Color(64, 64, 64, 192))
bg:MoveToBack()
-- Loop through Frame's internal components
for _, child in pairs(TestFrame:GetChildren()) do
-- Disable frame sizing
if(string.find(child:GetName(), "Grip")) then
child:SetMouseInputEnabled(false)
-- Fire the "Testing" command when we click the white button
elseif(child:GetName() == "frame_close") then
child:SetCommand("Testing")
end
end
function TestFrame:ActionSignal(signalName, signalValue)
-- Show the signal name
lbl:SetText("Received command: \""..signalName.."\"")
end
Output: 
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