Delphi Programming question

What Delphi variables would I pass to Windows' ScrollDC if I wanted to use it in a TGraphicControl.  I would like to make a trend line.
jkkAsked:
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jorgen.hojdmoCommented:
The function is defined like this in Windows.pas

function ScrollDC(DC: HDC; DX, DY: Integer; var Scroll, Clip: TRect; Rgn: HRGN;
  Update: PRect): BOOL; stdcall;

DC = TGraphicsControl.Canvas.Handle

Scroll and Clip is for You to define. Rgn and Update can be set to nil. Hope this helps.
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mirek071497Commented:
The TGraphicsControl don't published Canvas so you must do this inside component or use other component.
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