سؤال

I have a custom component (TScrollingWinControl). But the scroll bars never appare, how do you show scroll bars on this component? Do you have to create a procedure to read them in or are they all ready there?

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المحلول

You give a Range that is longer than the control's client width/height. To scroll, you can set its position. Eg:

HorzScrollBar.Range := ClientWidth * 2;
HorzScrollBar.Position := HorzScrollBar.Range - ClientWidth;
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