3 references to IndexOf
System.Windows.Forms.Design (1)
System\Windows\Forms\Design\ImageListDesigner.OriginalImageCollection.cs (1)
143int IList.IndexOf(object? value) => value is ImageListImage image ? IndexOf(image) : -1;
System.Windows.Forms.Design.Tests (2)
System\Windows\Forms\Design\ImageListDesignerOriginalImageCollectionTests.cs (2)
142_originalImageCollection.IndexOf(null).Should().Be(-1); 149_originalImageCollection.IndexOf(image).Should().Be(0);