using System;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;

namespace PropertyGridDynReadOnly
{
  public class FdReadOnlyTrue: FdPropTest
  {
    public FdReadOnlyTrue(FdPropTest fdPropTest)
    {
      this.Vorname = fdPropTest.Vorname;
    }

    [ReadOnly(true)]
    [Description("Neue Beschreibung fuer Vorname")]
    [RefreshProperties(RefreshProperties.Repaint)]
    public override string Vorname
    {
      get{return base.Vorname;}
    }
  }

  public class FdPropTest: TextBox
  {
    public FdPropTest()
    {
    }

    [RefreshProperties(RefreshProperties.Repaint)]
    public override string Text
    {
      get { return base.Text; }
      set { base.Text = value; }
    }


    private string vorname = "Frank";
    [Description("Beschreibung fuer Vorname")]
    [RefreshProperties(RefreshProperties.Repaint)]
    public virtual string Vorname
    {
      get { return vorname;  }
      set 
      { 
        vorname = value;
          if(this.FindForm() != null)
          {
            PropertyGrid pg = null;
            foreach(Control ctl in this.FindForm().Controls)
              if(ctl is PropertyGrid) //Dies noch rekursiv!
                if(((PropertyGrid)ctl).SelectedObject == this)
                  pg = (PropertyGrid)ctl;
            if(pg == null) return;
            foreach (Control ctl in this.FindForm().Controls)
              if(ctl.Name == this.Name) //Dies noch rekrusiv!
              {
                FdPropTest fpt = ((FdPropTest)ctl);
                pg.SelectedObject = new FdReadOnlyTrue((FdPropTest)pg.SelectedObject);
                break;
              }
          }
        this.Text = vorname + " " + nachname;
      }
    }

    private string nachname = "Dzaebel";
    [Description("Beschreibung fuer Nachname")]
    [RefreshProperties(RefreshProperties.Repaint)]
    public virtual string Nachname
    {
      get { return nachname; }
      set 
      { 
        nachname = value;
        this.Text = vorname + " " + Nachname;
      }
    }
  }
}