
Lib_vscroll -      

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LoadVScroll(im: image) -      .
       .    :
    1.      2    :
               ( ) 
          .
    2.  :      

SetVScroll(x: integer; y: integer; len: integer) -    
    x, y -    
    len -   
    
SetOffset(i: integer) -          .   0.

integer VScrollWidth -     

DrawVScroll(min: integer; max: integer; val: integer; hgt: integer) -      
    min -  
    max -   
    val -  
    hgt -   .     val + hgt <= max

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2008 () odd
   SE K550i
