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Question for BoRiS

Posted on 1998-11-02
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Last Modified: 2010-04-06
BoRiS

I know you answered this question for me a while ago on the delphi forums but can not remember the answer you gave me.

The question was how to scroll a scroll box using pgup pgdown for vertical and for horizontal the home, end keys.

Please help as this is urgent, I rally need this now¿

Bye
Rouge
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Question by:rouge
3 Comments
 
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by:ZifNab
ID: 1345404
parding me for entering this thread.

use these  

SENDMESSAGE(scrollbox1.handle,wm_vscroll,{parameter},0);

{parameter}
 SB_PAGEDOWN
 SB_PAGEUP
 SB_TOP
 SB_BOTTOM
 SB_LINEDOWN
 SB_LINEUP

or use the TScrollbox.ScrollBy(..,..);

Zif.
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BoRiS earned 200 total points
ID: 1345405
rouge

Hmmm...I don't remember the question but here is a simple way to do it...

procedure TForm1.FormKeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
const
  Jump = 10;
begin
  with ScrollBox1.VertScrollbar do
    if Key = VK_NEXT then
      Position := Position + Jump
    else if Key = VK_PRIOR then
      Position := Position - Jump;
       with ScrollBox1.HorzScrollbar do
        if Key = VK_HOME then
         Position := Position + Jump
        else if
         Key = VK_END then
          Position := Position - Jump;
end;

this will also work for anything that has scrollbars just change the scrollbox1 to the control that requires the scrolling...

Also ZifNab's meathods work just aswell (as always) :-)

Later
BoRiS
0
 

Author Comment

by:rouge
ID: 1345406
Thank you BoRiS this is just what I need.  Zifnab thank you for the information and help.

I think I should come here more often seems like a good place for help, this is my first time here and I already like it.

Thank you once again.

Bye
rouge
0

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