Use tools from .NET 4.5 SDK if available.

src/Main/Core/Project/Src/Services/FileUtility/FileUtility.cs

@@ -61,6 +61,22 @@ namespace ICSharpCode.Core
 			return null;
 		}
 		
+		static string GetPathFromRegistryX86(string key, string valueName)
+		{
+			using (RegistryKey baseKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32)) {
+				using (RegistryKey installRootKey = baseKey.OpenSubKey(key)) {
+					if (installRootKey != null) {
+						object o = installRootKey.GetValue(valueName);
+						if (o != null) {
+							string r = o.ToString();
+							if (!string.IsNullOrEmpty(r))
+								return r;
+						}
+					}
+				}
+			}
+			return null;
+		}
 		#region InstallRoot Properties
 		
 		static string netFrameworkInstallRoot = null;
@@ -154,6 +170,18 @@ namespace ICSharpCode.Core
 			}
 		}
 		
+		static string windowsSdk80InstallRoot = null;
+		/// <summary>
+		/// Location of the .NET 4.5 SDK (Windows SDK 8.0) install root.
+		/// </summary>
+		public static string WindowsSdk80NetFxTools {
+			get {
+				if (windowsSdk80InstallRoot == null) {
+					windowsSdk80InstallRoot = GetPathFromRegistryX86(@"SOFTWARE\Microsoft\Microsoft SDKs\Windows\v8.0A\WinSDK-NetFx40Tools", "InstallationFolder") ?? string.Empty;
+				}
+				return windowsSdk80InstallRoot;
+			}
+		}
 		#endregion
 		
 		[Obsolete("Use System.IO.Path.Combine instead")]
@@ -216,6 +244,10 @@ namespace ICSharpCode.Core
 		/// <returns>The path of the executable, or null if the exe is not found.</returns>
 		public static string GetSdkPath(string exeName) {
 			string execPath;
+			if (!string.IsNullOrEmpty(WindowsSdk80NetFxTools)) {
+				execPath = Path.Combine(WindowsSdk80NetFxTools, exeName);
+				if (File.Exists(execPath)) { return execPath; }
+			}
 			if (!string.IsNullOrEmpty(WindowsSdk71InstallRoot)) {
 				execPath = Path.Combine(WindowsSdk71InstallRoot, "bin\\" + exeName);
 				if (File.Exists(execPath)) { return execPath; }