Syntax	GUI.GetSliderValue (widgetID : int) : int
Description	Returns the current value of a slider or scroll bar specified by widgetID. The widgetID must specify either scroll bar or a slider (horizontal or vertical).
Example	See the ScrollPic program in GUI.CreateHorizontalScrollBarFull for an example of GUI.GetSliderValue.
Status	Exported qualified. This means that you can only call the function by calling GUI.GetSliderValue, not by calling GetSliderValue.
See also	GUI.SetSliderValue for setting a slider or scroll bar's value. See also GUI.CreateHorizontalScrollBar, GUI.CreateVerticalScrollBar, GUI.CreateHorizontalSlider, and GUI.CreateVerticalSlider.