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    <p>Did you solve the problem?</p> <p>Here are possible steps to achieve an acceptable solution. </p> <ol> <li>Try to create a child class, redefine all of the properties that you need to change the <code>[Category]</code> attribute (mark them with <code>new</code>). Example:</li> </ol> <blockquote> <pre><code>public class UserInfo { [Category("Must change")] public string Name { get; set; } } public class NewUserInfo : UserInfo { public NewUserInfo(UserInfo user) { // transfer all the properties from user to current object } [Category("Changed")] public new string Name { get {return base.Name; } set { base.Name = value; } } public static NewUserInfo GetNewUser(UserInfo user) { return NewUserInfo(user); } } void YourProgram() { UserInfo user = new UserInfo(); ... // Bind propertygrid to object grid.DataObject = NewUserInfo.GetNewUser(user); ... } </code></pre> </blockquote> <p><strong>Later Edit:</strong> <em>This part of the solution is not workable if you have a large number of properties that you might need to rewrite the attributes. This is where part two comes into place:</em></p> <ol start="2"> <li>Of course, this won't help if the class is not inheritable, or if you have a lot of objects (and properties). You would need to create a full automatic proxy class that gets your class and creates a dynamic class, applies attributes and of course makes a connection between the two classes.. This is a little more complicated, but also achievable. Just use reflection and you're on the right road.</li> </ol>
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    1. POChange Attribute's parameter at runtime
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    1. USBogdan Maxim
    1. USBogdan Maxim
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    1. COBogdan, I afraid that subclassing the class and doing all the refinition is impractical, to say the least.
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      1. USGraviton
    2. COIf you are subclassing, then you would have to automatically recreate all the attributes, and replace the old attributes. This is the easiest solution if you can subclass. The main idea was to create a proxy automatically (using a dynamic type), and replace the attributes on the fly.
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