Display: A rectangle that is gradually filled, from left to right, with a custom color as an operation progresses. The bar color can be changed by calling SetBarColor.

Input: None.

Common methods supported:
Enable
GetHeight
GetText
GetWidth
GetXCoord
GetYCoord
SetBackGroundColor
SetFont
SetPosition
SetSize
SetText
SetTextColor
Show

Specific methods:
SetBarColor
SetBarPosition
SetRange
SetStep
Step