How to create custom radiobutton c# compact framework 3.5

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I tried to find some ready code, but I failed. it would be enough for me, if someone explain the process of creatiojn. Is radiobutton merged two controls or just a modified label?

Posted 16-Jun-11 3:40am

Drazen Pupovac

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Ubloobok 16-Jun-11 10:01am

If you about the control template:
RadioButton is two or more controls. Main parts are:
1) Some UIControl which displays that button has been ckecked (clicked).
2) ContentPresenter which displays content.

You may see on the MSDN inheritance hierarchy for more understanding:
http://msdn.microsoft.com/en-us/library/system.windows.controls.radiobutton.aspx

BobJanova 16-Jun-11 10:31am

WinForms or WPF? (I think there is a cut down version of both in there.)

Drazen Pupovac 16-Jun-11 10:57am

WinForms

Thanks for the answer.

Sergey Alexandrovich Kryukov 16-Jun-11 15:02pm

Tag it! Don't torture experts trying to find out what is that! If should be visible before opening the page with the question.
--SA

Ubloobok 16-Jun-11 10:42am

Sorry, i thought about the WPF.

Drazen Pupovac 16-Jun-11 10:59am

Thanks for the answer.
I think it is different for WinForms...

2 solutions

Solution 2

By the reasons Bob correctly pointed out, right solution would be the following:

Create your own radio button control, a completely custom one. Derive your class right from System.Windows.Forms.Control, override OnPaint to render its appearance depending on states, etc. Use System.Windows.Forms.Control.Invalidate on the change of state or any other properties affecting control appearance.

With System.Windows.Forms, this is pretty simple task.

—SA

Posted 16-Jun-11 9:05am

Sergey Alexandrovich Kryukov

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Espen Harlinn 16-Jun-11 17:26pm

Good reply, my 5

Sergey Alexandrovich Kryukov 16-Jun-11 21:21pm

Thank you, Espen,
--SA

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BobJanova · Accepted Answer · 2011-06-16T05:12:00

Solution 1

WinForms radio buttons are standard Windows controls, and therefore it's quite difficult to perform small extensions on them.

A radio button, button and text together, is one control. If you want to change its appearance, you can override OnPaint, but you need to draw both parts.

I found an example here[^].

Posted 16-Jun-11 5:12am

BobJanova

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Sergey Alexandrovich Kryukov 16-Jun-11 15:07pm

Good point, all correct, my 5. But... what to do with that, except for leaving things as they are? Inferring the logical conclusion for a next step is apparent...

Please see my solution.
--SA