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Changed from path to PIDL as base for PropertyStore lookup (faster)

master
David Hall 2024-06-06 17:02:43 -06:00
parent a8178d1119
commit d0ddaded46
1 changed files with 18 additions and 29 deletions
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47
Windows.Shell.Common/ShellProperties/PropertyStore.cs
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@ -19,35 +19,32 @@ public class PropertyStore : IDictionary<PROPERTYKEY, object?>, IDisposable, INo
/// <summary>The flags.</summary>
protected GETPROPERTYSTOREFLAGS flags = GETPROPERTYSTOREFLAGS.GPS_DEFAULT;
/// <summary>An optional IBindCtx object, which provides access to a bind context.</summary>
protected System.Runtime.InteropServices.ComTypes.IBindCtx? iBindCtx = null;
/// <summary>If specified, the path to the file system item.</summary>
protected string? itemPath = null;
/// <summary>Initializes a new instance of the <see cref="PropertyStore"/> class from a file system path.</summary>
/// <param name="path">A string that specifies the item path.</param>
/// <param name="propChangedHandler">The optional property changed handler.</param>
public PropertyStore(string path, PropertyChangedEventHandler? propChangedHandler = null) : this(path, GETPROPERTYSTOREFLAGS.GPS_DEFAULT)
{
if (propChangedHandler != null)
PropertyChanged += propChangedHandler;
}
/// <summary>Initializes a new instance of the <see cref="PropertyStore"/> class.</summary>
protected PropertyStore() { }
protected PIDL? item = null;
/// <summary>Returns a property store for an item, given a path or parsing name.</summary>
/// <param name="path">A string that specifies the item path.</param>
/// <param name="flags">One or more values from the GETPROPERTYSTOREFLAGS constants.</param>
/// <param name="pbc">An optional IBindCtx object, which provides access to a bind context.</param>
protected PropertyStore(string path, GETPROPERTYSTOREFLAGS? flags = null, System.Runtime.InteropServices.ComTypes.IBindCtx? pbc = null)
public PropertyStore(string path, GETPROPERTYSTOREFLAGS flags = GETPROPERTYSTOREFLAGS.GPS_DEFAULT, System.Runtime.InteropServices.ComTypes.IBindCtx? pbc = null)
{
itemPath = Path.GetFullPath(Environment.ExpandEnvironmentVariables(path));
if (flags.HasValue) this.flags = flags.Value;
iBindCtx = pbc;
IntPtr bc = pbc != null ? Marshal.GetIUnknownForObject(pbc!) : default;
SHParseDisplayName(Path.GetFullPath(Environment.ExpandEnvironmentVariables(path)), bc, out item, 0, out _).ThrowIfFailed();
this.flags = flags;
}
/// <summary>Returns a property store for an item, given a path or parsing name.</summary>
/// <param name="id">The item ID List representing the object.</param>
/// <param name="flags">One or more values from the GETPROPERTYSTOREFLAGS constants.</param>
public PropertyStore(PIDL id, GETPROPERTYSTOREFLAGS flags = GETPROPERTYSTOREFLAGS.GPS_DEFAULT)
{
item = id;
this.flags = flags;
}
/// <summary>Initializes a new instance of the <see cref="PropertyStore"/> class.</summary>
protected PropertyStore() { }
/// <summary>Occurs when a property value changes.</summary>
public event PropertyChangedEventHandler? PropertyChanged;
@ -394,15 +391,7 @@ public class PropertyStore : IDictionary<PROPERTYKEY, object?>, IDisposable, INo
}
/// <summary>The IPropertyStore instance. This can be null.</summary>
protected virtual IPropertyStore? GetIPropertyStore()
{
if (itemPath is not null)
{
SHGetPropertyStoreFromParsingName(itemPath, iBindCtx, flags, typeof(IPropertyStore).GUID, out var iPropertyStore).ThrowIfFailed();
return iPropertyStore;
}
return null;
}
protected virtual IPropertyStore? GetIPropertyStore() => item is not null ? SHGetPropertyStoreFromIDList<IPropertyStore>(item, flags) : null;
/// <summary>Gets an enumeration of the keys in the property store.</summary>
/// <returns>Keys in the property store.</returns>