public static int IndexOf(
	this Rope<char> rope,
	string searchText,
	int startIndex,
	int length,
	StringComparison comparisonType
)

<ExtensionAttribute> _
Public Shared Function IndexOf ( _
	rope As Rope(Of Char), _
	searchText As String, _
	startIndex As Integer, _
	length As Integer, _
	comparisonType As StringComparison _
) As Integer

public:
[ExtensionAttribute]
static int IndexOf(
	Rope<wchar_t>^ rope, 
	String^ searchText, 
	int startIndex, 
	int length, 
	StringComparison comparisonType
)