Fix #3674: Incorrect derived types shown, when generic type inherit from non-generic type with the same name.

siegfriedpammer · siegfriedpammer · commit e8e231fdcc92 · 2026-03-23T21:21:43.000+01:00
diff --git a/ILSpy/TreeNodes/DerivedTypesTreeNode.cs b/ILSpy/TreeNodes/DerivedTypesTreeNode.cs
@@ -76,7 +76,7 @@ internal static IEnumerable<DerivedTypesEntryNode> FindDerivedTypes(AssemblyList
 				foreach (var baseType in td.DirectBaseTypes)
 				{
 					cancellationToken.ThrowIfCancellationRequested();
-					if (baseType.FullName == type.FullName)
+					if (baseType.FullName == type.FullName && baseType.TypeParameterCount == type.TypeParameterCount)
 					{
 						yield return new DerivedTypesEntryNode(list, td);
 						break;

Original file line number	Diff line number	Diff line change
`@@ -76,7 +76,7 @@ internal static IEnumerable<DerivedTypesEntryNode> FindDerivedTypes(AssemblyList`
`76`	`76`	`foreach (var baseType in td.DirectBaseTypes)`
`77`	`77`	`{`
`78`	`78`	`cancellationToken.ThrowIfCancellationRequested();`
`79`		`- if (baseType.FullName == type.FullName)`
	`79`	`+ if (baseType.FullName == type.FullName && baseType.TypeParameterCount == type.TypeParameterCount)`
`80`	`80`	`{`
`81`	`81`	`yield return new DerivedTypesEntryNode(list, td);`
`82`	`82`	`break;`