1 files changed, 61 insertions, 0 deletions
diff --git a/src/qtvstools/VisualStudio/VsShell.cs b/src/qtvstools/VisualStudio/VsShell.cs
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+++ b/src/qtvstools/VisualStudio/VsShell.cs
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+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt VS Tools.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+using Microsoft.VisualStudio;
+using Microsoft.VisualStudio.Shell;
+using Microsoft.VisualStudio.Shell.Interop;
+
+namespace QtVsTools.VisualStudio
+{
+    static class VsShell
+    {
+        public static string InstallRootDir
+        {
+            get
+            {
+                Initialize();
+                return _InstallRootDir;
+            }
+        }
+
+        private static IVsShell vsShell;
+        private static string _InstallRootDir;
+
+        private static void Initialize()
+        {
+            if (vsShell != null)
+                return;
+            vsShell = Package.GetGlobalService(typeof(IVsShell)) as IVsShell;
+
+            object objProp;
+            int res = vsShell.GetProperty((int)__VSSPROPID2.VSSPROPID_InstallRootDir, out objProp);
+            if (res == VSConstants.S_OK && objProp is string)
+                _InstallRootDir = objProp as string;
+        }
+    }
+}