GuiButton

AutoButtonColor

Determines whether a button changes color automatically when reacting to mouse events.

Modal

Allows the mouse to be free in first person mode. If a button with this property set to true is visible, the mouse is 'free' in first person mode.

Selected

Style

Determines how a button will look, including mouse event states. Uses Enum.ButtonStyle. <a href="http://wiki.roblox.com/index.php?title=API:Class/GuiButton/Style" target="_blank">More info</a>

SetVerb

Activated

MouseButton1Click

Fired when the mouse is over the button, and the mouse down and up events fire without the mouse leaving the button.

MouseButton1Down

Fired when the mouse button is pushed down on a button.

MouseButton1Up

Fired when the mouse button is released on a button.

MouseButton2Click

This function currently does not work :(

MouseButton2Down

This function currently does not work :(

MouseButton2Up

This function currently does not work :(