why Graphic is not stable!?

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I used Visual Studio Power Packs in C# and draw line, But this line is not stable and Minimize and Maximize disappear this line.
what work I can do to stable this line on form forever?

Posted 12-Sep-11 23:26pm

AmirAli1374

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Herman<T>.Instance 13-Sep-11 5:28am

show your code!

1 solution

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Mehdi Gholam · Accepted Answer · 2011-09-12T23:29:00

Solution 1

The Line is being drawn by GDI directly on the window, so minimizing and restoring will repaint the form and the line will disappear.

In the form OnPaint event redraw the line on the form.

Posted 12-Sep-11 23:29pm

Mehdi Gholam

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AmirAli1374 13-Sep-11 5:36am

what is form OnPaint event?
this?
private void Print_OnPaint(object sender, EventArgs e)

Pravin Patil, Mumbai 13-Sep-11 6:13am

Correct answer..