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ScrollBar.Position

Posted on 1998-10-23
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Last Modified: 2010-04-06
I want to place the ScrollBar.Position in an Edit.Text.
It is simple the get the ScrollBar.Position, but the positioning is increasing from top to bottom and I want to show numbers decreasing from top to bottom.
I don't want to use a SpinEdit or similar, it must be a scrollBar or similar component.
How can I do it?
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Question by:rainbowsoftware
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Expert Comment

by:Matvey
ID: 1344092
You have a scrollbar, you have the OnChange even, you have the Position propery, you have the Max, Min or whatever... Can you explain the problem better? I think I don't get the problem...
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Author Comment

by:rainbowsoftware
ID: 1344095
OK, I'll try to explain, what I want to do in another way.
With the ScrollBar as Vertical.
When the Button is scrolled to the top of the ScrollBar or TrackBar I want the position value to be 0 (zero) and when the button is scrolled to the bottom, I want the position value to be 100.
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Author Comment

by:rainbowsoftware
ID: 1344096
Sorry, now I'm confusing myself.
When in top it must show 100 and when on the bottom 0 (zero).

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Expert Comment

by:Matvey
ID: 1344097
Value := 100 - ScrollBar1.Position

Doesn't this work??

There must be more to it if you ask, right???
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Expert Comment

by:viktornet
ID: 1344098
Hello Matvey! Haven't heard of you for years.... What's up??

Hello all of ya ;->

I think the Max property is better as you mentioned before...

Edit1.text := IntToStr(ScrollBar.Max - ScrollBar.Position);

Hope this helps :-)

Cheers,
Viktor
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Expert Comment

by:bryan7
ID: 1344099
yeah, just place the code viktor said in the OnChanrge event of the TrackBar.

bryan

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Expert Comment

by:viktornet
ID: 1344100
I believe there is a OnScroll() of the TScrollBar so you better place the code I gave you in the OnScroll() of the TScrollBar you got ;->

Cheers,
Viktor
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Expert Comment

by:bryan7
ID: 1344101
viktor,  what's the difference between OnChange and OnScroll ?

bryan

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Expert Comment

by:viktornet
ID: 1344102
I don't know but to be exact... when you need to change something when something is scrolled then use the OnScroll() event if there is one.,,,

Cheers,
Viktor
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Author Comment

by:rainbowsoftware
ID: 1344103
OK, EKIM then TrackBar and ScrollBar both starts with 0 on top, so it's not the solution.
VIKTORNET gave the right answer to my question.
Thanks a lot.
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viktornet earned 150 total points
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