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 Class TScrollBar   Inherits from TControl
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 DATA
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 lVertical       If it is a vertical ScrollBar.
 lReDraw         If the scrollbar must update automatically its position
 lIsChild        If belongs to a Window with ScrollBars style
 nMin, nMax      The numeric range to be represented by the Scrollbar
 nPgStep         The increment of value when PgUp or PgDn on the ScrollBar
 bGoUp           A codeblock to eval when going up
 bGoDown         A codeblock to eval when going down
 bGoTop          A codeblock to eval when top is selected
 bGoBottom       A codeblock to eval when bottom is selected
 bPageUp         A codeblock to eval when PageUp is selected
 bPageDown       A codeblock to eval when PageDown is selected
 bPos            A codeblock to eval when the Thumb is moved to a new position
 bTrack

 METHODS
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    New             Constructor from source code.
    ReDefine        Constructor from resource.
    WinNew          Constructor for non-true scrollbar.
    cToChar         Generates a data template to build a Dialog.
    GetPos          Retrieves the current value represented by the Scrollbar.
    GetRange        Returns an array of two elements with the Min and the Max values
    GoBottom        Evaluates the bGoBottom block and updates thumb position
    GoDown          Evaluates the bGoDown block and updates thumb position
    GoTop           Evaluates the bGoTop block and updates thumb position
    GoUp            Evaluates the bGoUp block and updates thumb position
    HandleEvent     Redefined events manager
    Init            Generic initialization
    MouseMove       Specific MouseMove behavior
    PageDown        Evaluates the bPageDown block and updates thumb posit
    PageUp          Evaluates the bPageUp block and updates thumb posit
    SetPos          Changes the position of the thumb
    SetRange        Changes the represented range of the ScrollBar
    ThumbPos        Changes the position of the Thumb
    ThumbTrack