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LookupFieldDesigner.cs：源码内容

							// -- FILE ------------------------------------------------------------------
// name       : LookupFieldDesigner.cs
// project    : Itenso Web User Forms
// created    : Jani Giannoudis - 2008.10.30
// language   : c#
// environment: .NET 2.0
// copyright  : (c) 2008 by Itenso GmbH, Switzerland
// --------------------------------------------------------------------------
using System;
using System.Drawing;
namespace Itenso.WebUserForms.Controls
{
	// ------------------------------------------------------------------------
	public class LookupFieldDesigner : UserFormFieldDesigner
	{
		// ----------------------------------------------------------------------
		public LookupFieldDesigner()
		{
		} // LookupFieldDesigner
		// ----------------------------------------------------------------------
		protected Color MissingLookupNameColor
		{
			get { return this.missingLookupNameColor; }
			set { this.missingLookupNameColor = value; }
		} // MissingLookupNameColor
		// ----------------------------------------------------------------------
		protected string LookupName
		{
			get
			{
				ILookupField lookupField = base.Component as ILookupField;
				if ( lookupField == null )
				{
					throw new InvalidOperationException( "ILookupField required" );
				}
				return lookupField.LookupName;
			}
		} // LookupName
		// ----------------------------------------------------------------------
		protected bool HasLookupName
		{
			get { return !string.IsNullOrEmpty( LookupName ); }
		} // HasLookupName
		// ----------------------------------------------------------------------
		protected override Color GetStatusColor()
		{
			if ( !HasLookupName )
			{
				return MissingLookupNameColor;
			}
			return base.GetStatusColor();
		} // GetStatusColor
		// ----------------------------------------------------------------------
		// members
		private Color missingLookupNameColor = Color.LightCyan;
	} // class LookupFieldDesigner
} // namespace Itenso.WebUserForms.Controls
// -- EOF -------------------------------------------------------------------

						