32 lines
1.4 KiB
C#
32 lines
1.4 KiB
C#
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using System;
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using System.Runtime.InteropServices;
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using Microsoft.Win32;
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namespace MECF.Framework.Common.Utilities
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{
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public class FileAssociation
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{
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[DllImport("shell32.dll", CharSet = CharSet.Auto, SetLastError = true)]
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public static extern void SHChangeNotify(uint wEventId, uint uFlags, IntPtr dwItem1, IntPtr dwItem2);
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public static void SetAssociation(string Extension, string KeyName, string OpenWith, string FileDescription)
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{
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RegistryKey registryKey = Registry.ClassesRoot.CreateSubKey(Extension);
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registryKey.SetValue("", KeyName);
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RegistryKey registryKey2 = Registry.ClassesRoot.CreateSubKey(KeyName);
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registryKey2.SetValue("", FileDescription);
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registryKey2.CreateSubKey("DefaultIcon").SetValue("", "\"" + OpenWith + "\",0");
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RegistryKey registryKey3 = registryKey2.CreateSubKey("Shell");
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registryKey3.CreateSubKey("edit").CreateSubKey("command").SetValue("", "\"" + OpenWith + "\" \"%1\"");
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registryKey3.CreateSubKey("open").CreateSubKey("command").SetValue("", "\"" + OpenWith + "\" \"%1\"");
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registryKey.Close();
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registryKey2.Close();
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registryKey3.Close();
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RegistryKey registryKey4 = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\" + Extension, writable: true);
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registryKey4.DeleteSubKey("UserChoice", throwOnMissingSubKey: false);
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registryKey4.Close();
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SHChangeNotify(134217728u, 0u, IntPtr.Zero, IntPtr.Zero);
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}
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}
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}
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