commandbarcombobox.cs

c#源代码

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

	public class CommandBarComboBox : CommandBarControl
	{
		protected ComboBox comboBox;

		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);
		}
	}
}