Use the Environment to get the ProgramFiles location;

Save Port when using IIS EXpress

src/AddIns/Debugger/Debugger.AddIn/Service/WindowsDebugger.cs

@@ -166,7 +166,7 @@ namespace ICSharpCode.SharpDevelop.Services
 					if (options.Data.WebServer == WebServer.IISExpress) {
 						// start IIS express and attach to it
 						if (WebProjectService.IISVersion == IISVersion.IISExpress)
-							System.Diagnostics.Process.Start(WebProjectService.IIS_EXPRESS_PROCESS_LOCATION);
+							System.Diagnostics.Process.Start(WebProjectService.IIISExpressProcessLocation);
 						else {
 							MessageService.ShowError("${res:ICSharpCode.WepProjectOptionsPanel.NoProjectUrlOrProgramAction}");
 							return;
@@ -302,7 +302,7 @@ namespace ICSharpCode.SharpDevelop.Services
 					if (options.Data.WebServer == WebServer.IISExpress) {
 						// start IIS express
 						if (WebProjectService.IISVersion == IISVersion.IISExpress)
-							System.Diagnostics.Process.Start(WebProjectService.IIS_EXPRESS_PROCESS_LOCATION);
+							System.Diagnostics.Process.Start(WebProjectService.IIISExpressProcessLocation);
 						else {
 							MessageService.ShowError("${res:ICSharpCode.WepProjectOptionsPanel.NoProjectUrlOrProgramAction}");
 							return;

src/Main/Base/Project/Src/Gui/Dialogs/OptionPanels/ProjectOptions/WebProjectOptions/WebProjectOptions.cs

@@ -62,10 +62,10 @@ namespace ICSharpCode.SharpDevelop.Gui.OptionPanels
 		[DefaultValue(null)]
 		public string ProjectUrl { get; set; }
 		
-		[DefaultValue(WebServer.None)]
-		public WebServer WebServer { get; set; }
-		
 		[DefaultValue("8080")]
 		public string Port { get; set; }
+		
+		[DefaultValue(WebServer.None)]
+		public WebServer WebServer { get; set; }
 	}
 }

src/Main/Base/Project/Src/Gui/Dialogs/OptionPanels/ProjectOptions/WebProjectOptions/WebProjectOptionsPanel.xaml

@@ -22,7 +22,9 @@
 						<ColumnDefinition Width="Auto"/>
 					</Grid.ColumnDefinitions>
 					<TextBlock Text="{core:Localize ICSharpCode.WepProjectOptionsPanel.Port}"/>
-					<TextBox Grid.Column="1" x:Name="PortTextBox" PreviewTextInput="PortTextBox_PreviewTextInput" Text="8080"/>
+					<TextBox Grid.Column="1" x:Name="PortTextBox"
+					         PreviewTextInput="PortTextBox_PreviewTextInput" Text="8080"
+							 KeyUp="PortTextBox_KeyUp" />
 				</Grid>
 			</widgets:StackPanelWithSpacing>
 			<!--IIS Local Server-->

src/Main/Base/Project/Src/Gui/Dialogs/OptionPanels/ProjectOptions/WebProjectOptions/WebProjectOptionsPanel.xaml.cs

@@ -3,9 +3,9 @@
 
 using System;
 using System.IO;
+using System.Web.Services.Description;
 using System.Windows;
 using System.Windows.Controls;
-
 using ICSharpCode.Core;
 using ICSharpCode.SharpDevelop.Project;
 
@@ -24,8 +24,11 @@ namespace ICSharpCode.SharpDevelop.Gui.OptionPanels
 			if (CurrentProjectDebugData == null)
 				CurrentProjectDebugData = new WebProjectDebugData();
 			
-			Loaded += delegate(object sender, RoutedEventArgs e) {
+			Loaded += OnLoaded;
+		}
 
+		void OnLoaded(object sender, RoutedEventArgs e)
+		{
 			if (!WebProjectService.IsIISInstalled) {
 				StatusLabel.Text = ResourceService.GetString("ICSharpCode.WepProjectOptionsPanel.IISNotFound");
 				return;
@@ -36,9 +39,9 @@ namespace ICSharpCode.SharpDevelop.Gui.OptionPanels
 				case WebServer.IISExpress:
 					if (WebProjectService.IISVersion == IISVersion.IISExpress) {
 						UseIISExpress.IsChecked = true;
-							IISExpressGroup.IsEnabled = true;
-							CreateVirtualDirectoryButton.IsEnabled = true;
 						PortTextBox.Text = CurrentProjectDebugData.Port;
+						
+						SelectIISExpress();
 					}
 					break;
 				case WebServer.IIS:
@@ -47,16 +50,15 @@ namespace ICSharpCode.SharpDevelop.Gui.OptionPanels
 					    WebProjectService.IISVersion == IISVersion.IIS7 ||
 					    WebProjectService.IISVersion == IISVersion.IIS_Future) {
 						UseLocalIIS.IsChecked = true;
-							LocalIISGroup.IsEnabled = true;
-							CreateVirtualDirectoryButton.IsEnabled = true;
 						ProjectUrl.Text = CurrentProjectDebugData.ProjectUrl ?? string.Empty;
+						
+						SelectLocalIIS();
 					}
 					break;
 				default:
 					// do nothing
 					break;
 			}
-			};
 		}
 		
 		WebProjectDebugData CurrentProjectDebugData {
@@ -96,6 +98,11 @@ namespace ICSharpCode.SharpDevelop.Gui.OptionPanels
 		}
 		
 		void UseIISExpress_Click(object sender, RoutedEventArgs e)
+		{
+			SelectIISExpress();
+		}
+		
+		void SelectIISExpress()
 		{
 			WebProjectDebugData data = new WebProjectDebugData();
 			data.WebServer = WebServer.IISExpress;
@@ -118,6 +125,11 @@ namespace ICSharpCode.SharpDevelop.Gui.OptionPanels
 		}
 		
 		void UseLocalIIS_Click(object sender, RoutedEventArgs e)
+		{
+			SelectLocalIIS();
+		}
+		
+		void SelectLocalIIS()
 		{
 			WebProjectDebugData data = new WebProjectDebugData();
 			data.WebServer = WebServer.IIS;
@@ -182,5 +194,14 @@ namespace ICSharpCode.SharpDevelop.Gui.OptionPanels
 			e.Handled = !AreAllValidNumericChars(e.Text);
 			base.OnPreviewTextInput(e);
 		}
+		
+		void PortTextBox_KeyUp(object sender, System.Windows.Input.KeyEventArgs e)
+		{
+			WebProjectDebugData data = new WebProjectDebugData();
+			data.WebServer = WebServer.IISExpress;
+			data.Port = PortTextBox.Text;
+			data.ProjectUrl = string.Format(@"http://localhost:{0}/" + ProjectService.CurrentProject.Name, PortTextBox.Text);
+			CurrentProjectDebugData = data;
+		}
 	}
 }

src/Main/Base/Project/Src/Services/WebProjectService/WebProjectService.cs

@@ -46,11 +46,30 @@ namespace ICSharpCode.SharpDevelop.Project
 		const string FRAMEWORK32 = @"Framework\";
 		const string FRAMEWORK64 = @"Framework64\";
 		
+		/// <summary>
+		/// Gets &quot;iisexpress&quot; string.
+		/// </summary>
 		public const string IIS_EXPRESS_PROCESS_NAME = "iisexpress"; 
+		
+		/// <summary>
+		/// Gets &quot;aspnet_wp&quot; string.
+		/// </summary>
 		public const string IIS_5_PROCESS_NAME = "aspnet_wp";
+		
+		/// <summary>
+		/// Gets &quot;w3wp&quot; string.
+		/// </summary>
 		public const string IIS_NEW_PROCESS_NAME = "w3wp";
 		
-		public const string IIS_EXPRESS_PROCESS_LOCATION = @"C:\Program Files\IIS Express\iisexpress.exe";
+		/// <summary>
+		/// Gets IIS Express process location.
+		/// </summary>
+		public static string IIISExpressProcessLocation {
+			get {
+				return Environment.GetFolderPath(System.Environment.SpecialFolder.ProgramFiles) +
+					@"\IIS Express\iisexpress.exe";
+			}
+		}
 		
 		/// <summary>
 		/// Gets the IIS worker process name.
@@ -158,7 +177,7 @@ namespace ICSharpCode.SharpDevelop.Project
 				if (regValue > 4)
 					return (IISVersion)regValue;
 				
-				if (File.Exists(WebProjectService.IIS_EXPRESS_PROCESS_LOCATION))
+				if (File.Exists(IIISExpressProcessLocation))
 					return IISVersion.IISExpress;
 				
 				return IISVersion.None;