mirror of https://github.com/dahall/Vanara.git
50 lines
1.4 KiB
C#
50 lines
1.4 KiB
C#
using Microsoft.Win32;
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namespace Vanara.Windows.Shell;
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internal static class RegistryExtensions
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{
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private const string improbableValue = "_aVery1mprobable*Value";
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public static RegistryKey CreateSubKey(this RegistryKey key, string subkey, string? defaultValue)
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{
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var sk = key.CreateSubKey(subkey);
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if (defaultValue != null)
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sk.SetValue(null, defaultValue);
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return sk;
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}
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public static bool DeleteAllSubItems(this RegistryKey key)
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{
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var succeeded = true;
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foreach (var n in key.GetSubKeyNames())
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try { key.DeleteSubKeyTree(n); } catch { succeeded = false; }
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foreach (var n in key.GetValueNames())
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key.DeleteValue(n);
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return succeeded;
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}
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public static Guid? GetGuidValue(this RegistryKey key, string name)
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{
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var g = key?.GetValue(name)?.ToString();
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return g != null ? new Guid(g) : null;
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}
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public static object? GetSubKeyDefaultValue(this RegistryKey key, string subkey)
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{
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using var sk = key.OpenSubKey(subkey);
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return sk?.GetValue(null);
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}
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public static bool HasSubKey(this RegistryKey key, string subkeyName)
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{
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using var sk = key.OpenSubKey(subkeyName);
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return sk != null;
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}
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public static bool HasValue(this RegistryKey key, string name) => !Equals(key.GetValue(name, improbableValue), improbableValue);
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public static string ToRegString(this Guid guid) => guid.ToString("B").ToUpperInvariant();
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public static string? ToRegString(this Guid? guid) => guid.HasValue ? guid.Value.ToRegString() : null;
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} |