84 lines
3.5 KiB
C#
84 lines
3.5 KiB
C#
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#region PDFsharp - A .NET library for processing PDF
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//
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// Authors:
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// Stefan Lange
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//
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// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
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//
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// http://www.pdfsharp.com
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// http://sourceforge.net/projects/pdfsharp
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#endregion
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.IsolatedStorage;
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using System.Runtime.InteropServices;
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namespace PdfSharp.Silverlight
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{
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/// <summary>
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/// Useful stuff to show PDF files in Silverlight applications for
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/// testing and debugging purposes.
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/// Some functions require elevated trust.
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/// </summary>
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public class SilverlightHelper
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{
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/// <summary>
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/// Gets the full path of UserStore for application.
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/// </summary>
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public static string FullPathOfUserStoreForApplication
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{
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get
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{
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if (_fullPathOfUserStoreForApplication != null)
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return _fullPathOfUserStoreForApplication;
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// More simple than I expected...
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string root = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) + @"Low\Microsoft\Silverlight\is";
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IsolatedStorageFile userStore = IsolatedStorageFile.GetUserStoreForApplication();
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string markerFile = Guid.NewGuid().ToString();
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userStore.CreateFile(markerFile).Close();
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// Won't use Linq here (FirstOrDefault).
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IEnumerator<string> enumerator = Directory.EnumerateFileSystemEntries(root, markerFile, SearchOption.AllDirectories).GetEnumerator();
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enumerator.MoveNext();
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_fullPathOfUserStoreForApplication = Path.GetDirectoryName(enumerator.Current);
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userStore.DeleteFile(markerFile);
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return _fullPathOfUserStoreForApplication;
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}
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}
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static string _fullPathOfUserStoreForApplication;
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/// <summary>
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/// Uses ShellExecute to open a PDF file in UserStore.
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/// </summary>
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public static void ShowPdfFileFromUserStore(string path)
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{
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string fullPath = Path.Combine(FullPathOfUserStoreForApplication, path);
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ShellExecute(IntPtr.Zero, "open", fullPath, IntPtr.Zero, null, 5);
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}
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[DllImport("Shell32.dll")]
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static extern UInt32 ShellExecute(IntPtr hwnd, string pOperation, string pFile,
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IntPtr pParameters, string pDirectory, UInt32 nShowCmd);
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}
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}
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