Commit for development environment setup

PROMS/DropDownPanel_sol/DropDownPanel/Forms/DropDownForm.cs

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+using System;
+using System.ComponentModel;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace AT.STO.UI.Win
+{
+	/// <summary>
+	/// The form that pops up instead of the dropdown portion of the 
+	/// DropDownPanel's combobox. It containes the actual control to
+	/// display.
+	/// </summary>
+	internal partial class DropDownForm : Form, IDropDownAware
+	{
+	#region Private Variable Declaration
+		private IDropDownAware _control = null;
+	#endregion
+	#region Constructor / Destructor
+		/// <summary>
+		/// Default Constructor
+		/// </summary>
+		public DropDownForm()
+		{
+			InitializeComponent();
+		}
+
+		/// <summary>
+		/// Constructor to initialize the for with the control to display.
+		/// </summary>
+		/// <param name="Ctrl">The control to display.</param>
+		public DropDownForm(IDropDownAware Ctrl) : this()
+		{	
+			if (Ctrl != null)
+			{
+				_control = Ctrl;
+				
+				InitializeControl(_control as Control);
+			}
+		}
+	#endregion
+	#region Form Events
+		protected override void OnClosing(CancelEventArgs e)
+		{
+			this.Controls.Remove(_control as Control);
+			base.OnClosing(e);
+		}
+
+		protected override void OnShown(EventArgs e)
+		{
+			base.OnShown(e);
+			
+			_control.FinishEditing += new DropDownValueChangedEventHandler(Ctrl_FinishEditing);
+			_control.ValueChanged += new DropDownValueChangedEventHandler(Ctrl_ValueChanged);
+		}
+	#endregion
+	#region Event Handler
+	    private void Ctrl_FinishEditing(object sender, DropDownValueChangedEventArgs e)
+	    {
+			if (this.FinishEditing != null)
+			{
+				this.FinishEditing(this, e);
+			}
+
+			_control.FinishEditing -= new DropDownValueChangedEventHandler(Ctrl_FinishEditing);
+			_control.ValueChanged -= new DropDownValueChangedEventHandler(Ctrl_ValueChanged);
+	    }
+	    
+	    private void Ctrl_ValueChanged(object sender, DropDownValueChangedEventArgs e)
+	    {
+			if (this.ValueChanged != null)
+			{
+				this.ValueChanged(this, e);
+			}
+	    }
+	#endregion
+	#region IDropDownAware Implementation
+		/// <summary>
+		/// Fired either on OK, Cancel or a click outside the control to indicate
+		/// that the user has finished editing.
+		/// </summary>
+		public event DropDownValueChangedEventHandler FinishEditing;
+		
+		/// <summary>
+		/// Fired on any change of the controls's value during the editing process. 
+		/// </summary>
+		public event DropDownValueChangedEventHandler ValueChanged;
+		
+		/// <summary>
+		/// Gets or sets the controls' value.
+		/// </summary>
+		public object Value
+		{
+			get { return _control.Value; }
+			set { _control.Value = value; }
+		}
+	#endregion
+	#region Private Methods
+		private void InitializeControl(Control Ctrl)
+		{
+			Size	size	= Ctrl.Size;
+			Size	inner	= this.ClientRectangle.Size;
+			Size	outer	= this.Size;
+			int		gap		= outer.Width - inner.Width;
+			
+			size.Width += gap;
+			size.Height += gap;
+			
+			this.Size = size;
+			this.Controls.Add(Ctrl);
+			Ctrl.Location = new Point(0, 0);
+			Ctrl.Visible = true;
+			Ctrl.Invalidate();
+		}
+	#endregion
+	}
+}