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Renamed the GreenshotPlugin to Greenshot.Base

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Robin Krom 2021-03-28 21:01:29 +02:00
parent e8c0b307ee
commit 79cdca03eb
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src/GreenshotPlugin/Core/RegistryKeyExtensions.cs
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/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2021 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using Microsoft.Win32;
namespace GreenshotPlugin.Core
{
/// <summary>
/// A helper class for accessing the registry
/// </summary>
public static class RegistryKeyExtensions
{
/// <summary>
/// Retrieve a registry value
/// </summary>
/// <param name="registryHive">RegistryHive like RegistryHive.LocalMachine</param>
/// <param name="keyName">string with the name of the key</param>
/// <param name="value">string with the name of the value below the key, null will retrieve the default</param>
/// <param name="defaultValue">string with the default value to return</param>
/// <returns>string with the value</returns>
public static string ReadKey64Or32(this RegistryHive registryHive, string keyName, string value = null, string defaultValue = null)
{
string result = null;
value ??= string.Empty;
using var registryKey32 = RegistryKey.OpenBaseKey(registryHive, RegistryView.Registry32);
// Logic for 32-bit Windows is just reading the key
if (!Environment.Is64BitOperatingSystem)
{
using var key = registryKey32.OpenSubKey($@"SOFTWARE\{keyName}", false);
if (key != null)
{
result = (string) key.GetValue(value);
}
if (string.IsNullOrEmpty(result))
{
result = defaultValue;
}
return result;
}
using var registryKey64 = RegistryKey.OpenBaseKey(registryHive, RegistryView.Registry64);
// Logic for 64 bit Windows, is trying the key which is 64 bit
using (var key = registryKey64.OpenSubKey($@"SOFTWARE\{keyName}", false))
{
if (key != null)
{
result = (string) key.GetValue(value);
}
if (!string.IsNullOrEmpty(result)) return result;
}
// if there is no value use the wow6432node key which is 32 bit
using (var key = registryKey32.OpenSubKey($@"SOFTWARE\{keyName}", false))
{
if (key != null)
{
result = (string) key.GetValue(value);
}
}
if (string.IsNullOrEmpty(result))
{
result = defaultValue;
}
return result;
}
}
}