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Code Issues Releases Wiki Activity

Fixed bug and docs for Enumerate<T> method

pull/83/head
David Hall 2019-10-23 12:05:56 -06:00
parent 88a34bf970
commit 376b4576ea
1 changed files with 2 additions and 1 deletions
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PInvoke/Ole/Ole32/ObjIdl.cs
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@ -3895,9 +3895,10 @@ namespace Vanara.PInvoke
public static IEnumerable<IntPtr> Enumerate(this IEnumUnknown e) => new Collections.IEnumFromCom<IntPtr>(e.Next, e.Reset);
/// <summary>Enumerates the values in a <see cref="IEnumUnknown"/> instance.</summary>
/// <typeparam name="T">The COM interface type to query for from each item in the collection. Note that if this type cannot be retrieved, an exception will be thrown.</typeparam>
/// <param name="e">The <see cref="IEnumUnknown"/> instance.</param>
/// <returns>The enumerated values.</returns>
public static IEnumerable<T> Enumerate<T>(this IEnumUnknown e) where T : class => new Collections.IEnumFromCom<IntPtr>(e.Next, e.Reset).Select(p => (T)Marshal.GetObjectForIUnknown(p));
public static IEnumerable<T> Enumerate<T>(this IEnumUnknown e) where T : class => e.Enumerate().Select(p => p == IntPtr.Zero ? null : (T)Marshal.GetObjectForIUnknown(p));
/// <summary>Structure returned by IEnumContextProps::Enum</summary>
[PInvokeData("objidl.h", MSDNShortId = "64591e45-5478-4360-8c1f-08b09b5aef8e")]