System.Windows.Forms.TabControl.TabPageCollection.this C# (CSharp) Method

			internal int this[TabPage tabPage] {
				get {
					if (tabPage == null)
						return -1;

					for (int i = 0; i < this.Count; i++)
						if (this[i].Equals (tabPage))
							return i;

					return -1;
				}
			}