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StringCompare Method (String, Int32, String, Int32, Int32, Boolean)
Compares substrings of two specified String objects, ignoring or honoring their case, and returns an integer that indicates their relative position in the sort order.

Namespace: System
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0
Syntax
C#
Copy
public static int Compare(
	string strA,
	int indexA,
	string strB,
	int indexB,
	int length,
	bool ignoreCase
)

Parameters

strA
Type: SystemString
The first string to use in the comparison.
indexA
Type: SystemInt32
The position of the substring within strA.
strB
Type: SystemString
The second string to use in the comparison.
indexB
Type: SystemInt32
The position of the substring within strB.
length
Type: SystemInt32
The maximum number of characters in the substrings to compare.
ignoreCase
Type: SystemBoolean
true to ignore case during the comparison; otherwise, false.

Return Value

Type: Int32
A 32-bit signed integer that indicates the lexical relationship between the two comparands.ValueCondition Less than zero The substring in strA is less than the substring in strB. Zero The substrings are equal, or length is zero. Greater than zero The substring in strA is greater than the substring in strB.
Exceptions
ExceptionCondition
ArgumentOutOfRangeExceptionindexA is greater than strA.Length.-or- indexB is greater than strB.Length.-or- indexA, indexB, or length is negative. -or-Either indexA or indexB is null, and length is greater than zero.
See Also