Mono Documentation

Determines whether the current instance and the specified object have the same value. [Edit]

[System.Runtime.ConstrainedExecution.ReliabilityContract(System.Runtime.ConstrainedExecution.Consistency.WillNotCorruptState, System.Runtime.ConstrainedExecution.Cer.MayFail)]
public override bool Equals (object obj)

Parameters

obj
A object. [Edit]

Returns

true if obj is a string and its value is the same as the value of the current instance; otherwise, false. [Edit]

Exceptions

Type Reason
NullReferenceException The current instance is a null reference. [Edit]

Type	Reason
NullReferenceException	The current instance is a null reference. [Edit]

Remarks

This method checks for value equality. This comparison is case-sensitive.
Note: This method overrides object.Equals(object) .
[Edit]

Example

The following example demonstrates checking to see if an object is equal to the current instance.
C# Example
using System;
public class StringEqualsExample {
 public static void Main() {
 string str = "A string";
 Console.WriteLine( "The given string is '{0}'", str );
 Console.Write( "The given string is equal to 'A string'? " );
 Console.WriteLine( str.Equals( "A string" ) );
 Console.Write( "The given string is equal to 'A String'? " );
 Console.WriteLine( str.Equals( "A String" ) );
 }
}
   
The output is
The given string is 'A string' The given string is equal to 'A string'? True The given string is equal to 'A String'? False

Requirements