A Slider is a GUI control that can be moved with a cursor by clicking the handle and dragging it.
bool - When enabled, this panel and its children are drawn
vec3f - Position of the panel relative to its parent
link - Style to apply to the bar (Meta_ColouredPanelStyle, Meta_TexturedPanelStyle, Meta_GradientPanelStyle)
link - Style to apply to the handle (Meta_ColouredPanelStyle, Meta_TexturedPanelStyle, Meta_GradientPanelStyle)
SliderType (int) - Horizontal or Vertical
float - Minimum value represented by the slider
float - Maximum value represented by the slider
float - Length of the slider bar
float - Step size, or zero for continuous values
float - Current value of the slider (location of the handle along the bar)
vec2f - Offset the handle visual
string - Text to display on hover
Values for Idx_Type.
Symbols - C: "Horiztonal", Lua: __Slider_Horiztonal
Symbols - C: "Vertical", Lua: __Slider_Vertical