c# setting autoscrollposition

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Hello,
I have a user control, which is scrollable control, and I want to change its autoscrollposition (only the X value).

I'm doing it like this:

C#

int newScrollX = myFunction();
Point p = new Point(newScrollX, this.AutoScrollPosition.Y);
this.AutoScrollPosition = p;

newScrollX gets the correct value, p gets the correct point, but after the line of AutoScrollPosition setting, the AutoScrollPosition is (0,0).

What is the problem?

Thanks

Posted 24-Oct-12 5:54am

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Sergey Alexandrovich Kryukov · Accepted Answer · 2012-10-24T07:05:00

It might be invalid value. You need to check up your control client size, versus System.Windows.Forms.ScrollableControl.AutoScrollMinSize. Also, make sure your System.Windows.Forms.ScrollableControl.AutoScroll is true and take into account System.Windows.Forms.ScrollableControl.AutoScrollMargin with System.Windows.Forms.ScrollableControl.AutoScrollOffset. It's possible that you simply did not understand the concept, as happens with some members in the past.

This is the article with minimalistic and clear explanation of matter:
http://www.bobpowell.net/understanding_autoscroll.htm[^].

See also:
http://msdn.microsoft.com/en-us/library/system.windows.forms.scrollablecontrol.aspx[^].

—SA