CommandBarComboBox.cs :  » Game » RealmForge » System » Windows » Forms » C# / CSharp Open Source

// ---------------------------------------------------------
// Windows Forms CommandBar Control
// Copyright (C) 2001-2003 Lutz Roeder. All rights reserved.
// http://www.aisto.com/roeder
// roeder@aisto.com
// ---------------------------------------------------------
namespace System.Windows.Forms{
  using System;
  using System.ComponentModel;
  using System.Drawing;
  using System.Windows.Forms;

  [DesignTimeVisible(false), ToolboxItem(false)]
  public class CommandBarComboBox : CommandBarControl
  {
    private ComboBox comboBox;

    public CommandBarComboBox() : base("None")
    {
      this.comboBox = new ComboBox();
      this.comboBox.SelectedIndexChanged += new EventHandler(this.ComboBox_SelectedIndexChanged);
    }

    public CommandBarComboBox(string text, ComboBox comboBox) : base(text)
    {
      this.comboBox = comboBox;
      this.comboBox.SelectedIndexChanged += new EventHandler(this.ComboBox_SelectedIndexChanged);
    }

    protected override void Dispose(bool disposing)
    {
      if (disposing)
      {
        if (this.comboBox != null)
        {
          this.comboBox.SelectedIndexChanged -= new EventHandler(this.ComboBox_SelectedIndexChanged);
          this.comboBox = null;
        }
      }

      base.Dispose(disposing);
    }


    public int Height
    {
      get
      {
        // Create the control.
        IntPtr handle = this.comboBox.Handle;
        return this.comboBox.Height; 
      }
    }

    public int Width
    {
      get 
      {
        // Create the control.
        IntPtr handle = this.comboBox.Handle;
        return this.comboBox.Width; 
      }
    }

    public string Value
    {
      get { return this.comboBox.Text; }
      
      set
      {
        if (value == null)
        {
          value = string.Empty;
        }

        if (value != this.comboBox.Text)
        {
          this.comboBox.Text = value;
          this.OnPropertyChanged(new PropertyChangedEventArgs("Value"));
        }
      }
    }

    public override bool IsEnabled
    {
      get { return base.IsEnabled; }
      
      set
      {
        this.comboBox.Enabled = value;
        base.IsEnabled = value;
      }
    }

    public override bool IsVisible
    {
      get { return base.IsVisible; }
      
      set
      {
        this.comboBox.Visible = value;
        base.IsVisible = value;
      }
    }

    public override string ToString()
    {
      return "ComboBox(" + this.Text + "," + this.Value + ")";
    }

    internal ComboBox ComboBox
    {
      get { return this.comboBox; }
    }

    private void ComboBox_SelectedIndexChanged(object sender, EventArgs e)
    {
      this.PerformClick(EventArgs.Empty);
    }
  }
}