/MacOSX/Timer Comparison
Feedback.

Function:
You find this example project in your Plugins Download as a Realbasic project file within the examples folder: /MacOSX/Timer Comparison
This example is the version from Tue, 18th Jan 2010.
Notes: Last modified: Tue, 18th Jan 2010

Class App
Inherits Application
  // Constants
  Const kFileQuitShortcut = Ctrl+Q
  Const kFileQuit = E&xit
  Const kEditClear = &Delete
End Class

Class Window1
Inherits Window
  // Controls
  ControlInstance
    Sub Action() Handles Event
      Canvas1.update
      
    End Sub
  End ControlInstance
  ControlInstance
    Sub ValueChanged() Handles Event
      m.Period=me.Value
      timer1.Period=me.Value
      
    End Sub
  End ControlInstance
  ControlInstance
  End ControlInstance
  ControlInstance
  End ControlInstance
  ControlInstance
  End ControlInstance
  ControlInstance
  End ControlInstance
  ControlInstance
  End ControlInstance
  ControlInstance
  End ControlInstance
  
  // Properties
  Dim m As mytimer
  
  // Event implementations
  Sub Open()
    m=new MyTimer
    m.Period=100
    m.Mode=2
    
    
  End Sub
  
  // Methods
  Private Sub draw()
    
  End Sub
End Class

Class MyCanvas
Inherits Canvas
  // Properties
  Private Dim p As picture
  Dim counter As Integer
  Dim posr As Integer
  Dim posg As Integer
  Dim posb As Integer
  
  // Event implementations
  Sub Open()
    p=NewPicture(me.Width,me.Height,32)
    
  End Sub
  
  // Methods
  Sub update()
    dim pos,w,r,g,b,i as integer
    
    w=p.Width
    
    p.Graphics.ForeColor=&c000000
    
    counter=counter+4
    posr=counter mod 512
    posg=counter mod 512
    posb=counter mod 512
    
    for i=0 to w-1
      posr=posr+4
      posr=posr mod 512
      if posr>255 then
        r=511-posr
      else
        r=posr
      end if
      
      posg=posg+8
      posg=posg mod 512
      if posg>255 then
        g=511-posg
      else
        g=posg
      end if
      
      posb=posb+16
      posb=posb mod 512
      if posb>255 then
        b=511-posb
      else
        b=posb
      end if
      p.Graphics.ForeColor=rgb(r,g,b)
      
      p.Graphics.DrawLine i,0,i,p.Height
    next
    
    
    Graphics.DrawPicture p,0,0
  End Sub
End Class

Class MyTimer
Inherits CarbonEventsTimerMBS
  // Event implementations
  Sub Action()
    window1.Canvas2.update
    
  End Sub
End Class