Help on CommandMethod

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.NET

AutoCAD

C#5.0

Hi!
Can some one fix this problem? plz!
---
I have a class that descripted as the followings:

/// <summary>
/// A class that contains all CommandMethod
/// </summary>
public class Commands
{
    // This class have NO constructor

    [CommandMethod("CommandName", "commandGroup", CommandFlags.Modal | CommandFlags.UsePickSet)]
    public method method1()
    {
    // code for method1
    }

    public method method2(){}

    ...
}

In method1, I need some information that retrieved from an instance of other class. So I have defined a base class like this one:

/// <summary>
/// The base class for all CommandMethod will be created
/// </summary>
public class CommandBased
{
    public CommandBased()
    { }
    
    /// <summary>
    /// Shortcut for command
    /// </summary>
    private string commandShortcut;
    /// <summary>
    /// Group of command
    /// </summary>
    private string commandTags;
    /// <summary>
    /// Description for command
    /// </summary>
    private string commandDesctiption;
    
    public string CommandShortcut
    {
        get { return commandShortcut; }
        set { commandShortcut = value; }
    }
    
    public string CommandTags
    {
        get { return commandTags; }
        set { commandTags = value; }
        }
    
    public string CommandDesctiption
    {
        get { return commandDesctiption; }
        set { commandDesctiption = value; }
    }
    
    ‪#‎region‬ public methods
    /// <summary>
    /// Return command info, it will be used as an attribute in CommandMethod
    /// </summary>
    /// <returns>command info as string</returns>
    public string GenerateCommandInfo()
    {
        return CommandShortcut + "," + CommandTags + "," + CommandDesctiption;
    }
    ‪#‎endregion‬
}

Back to class Commands above, I want to create an instance of CommandBased, set some value for it, eg:

CommandBased thisCommand = new CommandBased
{
    CommandShortcut = "XXX",
    CommandTags = "this is tags",
    CommandDesctiption = "this is a description"
};

then I want to use it's public method (GenerateCommandInfo method) in CommandMethod:

[CommandMethod(thisCommand.GenerateCommandInfo, "commandGroup", CommandFlags.Modal | CommandFlags.UsePickSet)]
public method method1()
{
    // code for method1
}

THE QUESTION: HOW CAN I USE: The question: How can i use:[CommandMethod(thisCommand.GenerateCommandInfo,.......

Thanks!