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Added check for null when removing registry keys

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Alexander 2018-12-27 00:31:01 +02:00
parent 898427b26a
commit 1eac6001ab
1 changed files with 16 additions and 12 deletions
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28
Crypto Notepad/SettingsForm.cs
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@ -1,6 +1,8 @@
using Microsoft.Win32; using Microsoft.Win32;
using System; using System;
using System.Diagnostics;
using System.Drawing; using System.Drawing;
using System.IO;
using System.Reflection; using System.Reflection;
using System.Windows.Forms; using System.Windows.Forms;
@ -100,14 +102,15 @@ private static void DissociateExtension(string applicationExecutablePath, string
{ {
try try
{ {
RegistryKey key = Registry.CurrentUser.OpenSubKey("Software\\Classes", true); RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Classes", true);
key.DeleteSubKeyTree(extension + "_auto_file"); RegistryKey subKeyTree = Registry.CurrentUser.OpenSubKey(@"Software\Classes\" + extension + "_auto_file", true);
key.DeleteSubKeyTree("." + extension); if (subKeyTree != null)
} {
catch (Exception) key.DeleteSubKeyTree(extension + "_auto_file");
{ key.DeleteSubKeyTree("." + extension);
}
} }
catch { }
} }
private static void MenuIntegrate(string action) private static void MenuIntegrate(string action)
@ -132,13 +135,14 @@ private static void MenuIntegrate(string action)
if (action == "disable") if (action == "disable")
{ {
RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Classes\*\shell\", true); RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Software\Classes\*\shell\", true);
key.DeleteSubKeyTree("Crypto Notepad"); RegistryKey subKeyTree = Registry.CurrentUser.OpenSubKey(@"Software\Classes\*\shell\Crypto Notepad", true);
if (subKeyTree != null)
{
key.DeleteSubKeyTree("Crypto Notepad");
}
} }
} }
catch (Exception) catch { }
{
}
} }
/*Functions*/ /*Functions*/