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Editorial Team
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Asked: 2026-05-13T10:41:48+00:00

I need help with my latest asp.net project. It involves graphics. I need to

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I need help with my latest asp.net project. It involves graphics. I need to draw a circle and have several lines going from the middle to the edge (radius). This is the part I know how to do. The next part is the part I don’t know how to do and would appreciate some advice. The users need the ability to grab the lines with their mouse and move them. For example if a line is pointing to the 90 degree mark, they might want to grab it and move it to the 45 degree mark. This will affect calculations that will display elsewhere on the page.

I will consider third party controls but would prefer a solution with coding or open source controls.

Thanks in advance.

Bob Avallone

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  1. Editorial Team

    ASP.net runs on the server – it simply generates HTML (& JavaScript) which is sent to the client (eg a browser) and rendered there.

    So what you need is not an asp.net solution, but indeed a rich client solution. Some of your options are:

    • Javascript
    • Flash
    • Silverlight
    • Java applet

    I suspect Javascript or Silverlight will be of the most interest to you. Perhaps you want to do a little investigation, and come back with an updated question.

    UPDATE Re: Bob’s Comment:

    A quick google found this, which seems pretty cool:

    Lightweight Visual Thesauras

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