mirror of https://github.com/dahall/Vanara.git
Added improved registry key closing to registration classes
parent
7f8e557241
commit
ef6a1dda0a
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@ -11,7 +11,8 @@ namespace Vanara.Windows.Shell.Registration
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internal FileTypeAssociation(string ext, RegistryKey key, bool readOnly) : base(key, readOnly)
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{
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Extension = ext;
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OpenWithProgIds = new RegBasedKeyCollection(key.OpenSubKey("OpenWithProgIds", !readOnly), readOnly);
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var owpi = readOnly ? key.OpenSubKey("OpenWithProgIds", false) : key.CreateSubKey("OpenWithProgIds", RegistryKeyPermissionCheck.ReadWriteSubTree);
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OpenWithProgIds = new RegBasedKeyCollection(owpi, readOnly);
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}
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/// <summary>Gets or sets the Content Type value to the file type's MIME content type.</summary>
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@ -120,7 +121,7 @@ namespace Vanara.Windows.Shell.Registration
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{
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if (extension is null) throw new ArgumentNullException(nameof(extension));
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if (!extension.StartsWith(".")) throw new ArgumentException("The value must be in the format \".ext\"", nameof(extension));
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using var sk = ShellRegistrar.GetRoot(systemWide, true);
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using (var sk = ShellRegistrar.GetRoot(systemWide, true))
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try { sk.DeleteSubKeyTree(extension); } catch { sk.DeleteSubKey(extension, false); }
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ShellRegistrar.NotifyShell();
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}
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@ -292,8 +292,10 @@ namespace Vanara.Windows.Shell
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using var root = ShellRegistrar.GetRoot(systemWide, false);
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foreach (var ext in root.GetSubKeyNames().Where(ext => ext.StartsWith(".")))
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{
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using var openWithKey = root.OpenSubKey(Path.Combine(ext, OpenWithProgIds));
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if (openWithKey?.HasValue(progId) == true)
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var hasValue = false;
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using (var openWithKey = root.OpenSubKey(Path.Combine(ext, OpenWithProgIds)))
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hasValue = openWithKey?.HasValue(progId) ?? false;
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if (hasValue)
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yield return ext;
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}
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}
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@ -332,7 +334,8 @@ namespace Vanara.Windows.Shell
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public void Add(string ext)
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{
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EnsureWritable();
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FileTypeAssociation.Register(ext, IsSystemWide).OpenWithProgIds.Add(progId);
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using var assoc = FileTypeAssociation.Register(ext, IsSystemWide);
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assoc.OpenWithProgIds.Add(progId);
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}
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/// <summary>Clears this instance.</summary>
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@ -8,7 +8,7 @@ namespace Vanara.Windows.Shell.Registration
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{
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/// <summary>A collection of values under a key that is treated as a collection of strings.</summary>
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/// <seealso cref="System.Collections.Generic.ICollection{T}"/>
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internal class RegBasedKeyCollection : ICollection<string>
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internal class RegBasedKeyCollection : ICollection<string>, IDisposable
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{
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/// <summary>The base key from which to perform all queries.</summary>
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protected internal RegistryKey key;
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@ -18,13 +18,14 @@ namespace Vanara.Windows.Shell.Registration
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/// <param name="readOnly">if set to <c>true</c> the supplied <paramref name="key"/> was opened read-only.</param>
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protected internal RegBasedKeyCollection(RegistryKey key, bool readOnly)
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{
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this.key = key ?? throw new ArgumentNullException(nameof(key));
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if (key is null && !readOnly) throw new ArgumentNullException(nameof(key));
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this.key = key;
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IsReadOnly = readOnly;
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}
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/// <summary>Gets the count.</summary>
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/// <value>The count.</value>
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public int Count => key.ValueCount;
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public int Count => key?.ValueCount ?? 0;
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/// <summary>Gets or sets a value indicating whether these settings are read-only.</summary>
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public bool IsReadOnly { get; }
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@ -34,21 +35,24 @@ namespace Vanara.Windows.Shell.Registration
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public void Add(string item) { EnsureWritable(); key.SetValue(item, string.Empty, RegistryValueKind.String); }
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/// <summary>Clears this instance.</summary>
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public void Clear() => key.DeleteAllSubItems();
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public void Clear() { EnsureWritable(); key.DeleteAllSubItems(); }
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/// <summary>Determines whether this instance contains the object.</summary>
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/// <param name="item">The item.</param>
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/// <returns><see langword="true"/> if [contains] [the specified item]; otherwise, <see langword="false"/>.</returns>
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public bool Contains(string item) => key.HasValue(item);
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public bool Contains(string item) => key?.HasValue(item) ?? false;
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/// <summary>Copies to.</summary>
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/// <param name="array">The array.</param>
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/// <param name="arrayIndex">Index of the array.</param>
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public void CopyTo(string[] array, int arrayIndex) => Array.Copy(key.GetValueNames(), 0, array, arrayIndex, Count);
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public void CopyTo(string[] array, int arrayIndex) { if (key != null) Array.Copy(key.GetValueNames(), 0, array, arrayIndex, Count); }
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/// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
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public void Dispose() => key?.Close();
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/// <summary>Gets the enumerator.</summary>
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/// <returns></returns>
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public IEnumerator<string> GetEnumerator() => key.GetValueNames().Cast<string>().GetEnumerator();
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public IEnumerator<string> GetEnumerator() => (key?.GetValueNames().Cast<string>() ?? new string[0]).GetEnumerator();
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/// <summary>Removes the specified item.</summary>
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/// <param name="item">The item.</param>
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