Int32.CompareTo Method (Object)

Compares this instance to a specified object and returns an integer that indicates whether the value of this instance is greater than, less than, or equal to the value of the specified object.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)


Public Function CompareTo ( _
    value As Object _
) As Integer
public int CompareTo(
    Object value


  • value
    Type: System.Object
    An object to compare, or nulla null reference (Nothing in Visual Basic).

Return Value

Type: System.Int32
A signed number indicating the relative values of this instance and value.

Return Value


Less than zero

This instance is less than value.


This instance is equal to value.

Greater than zero

This instance is greater than value.


value is nulla null reference (Nothing in Visual Basic).




Exception Condition

value is not an Int32.


Any instance of Int32, regardless of its value, is considered greater than nulla null reference (Nothing in Visual Basic).

value must be nulla null reference (Nothing in Visual Basic) or an instance of Int32; otherwise, an exception is thrown.

Version Information


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.