TimeZoneInfo.Equals Method

public:
 override bool Equals(System::Object ^ obj);

public override bool Equals (object obj);

override this.Equals : obj -> bool

Public Overrides Function Equals (obj As Object) As Boolean

Parameters

Returns

Boolean

true if obj is a TimeZoneInfo object that is equal to the current instance; otherwise, false.

Examples

The following example uses the Equals(Object) method to determine whether the local time zone is Pacific Time or Eastern Time.

using System;

public class Example
{
   public static void Main()
   {
      TimeZoneInfo thisTimeZone;
      object obj1, obj2;
      
      thisTimeZone = TimeZoneInfo.Local;
      obj1 = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time");
      obj2 = TimeZoneInfo.FindSystemTimeZoneById("Eastern Standard Time");
      Console.WriteLine(thisTimeZone.Equals(obj1));
      Console.WriteLine(thisTimeZone.Equals(obj2));
   }
}
// The example displays the following output:
//      True
//      False

Module Example
   Public Sub Main()
      Dim thisTimeZone As TimeZoneInfo
      Dim obj1, obj2 As Object
      
      thisTimeZone = TimeZoneInfo.Local
      obj1 = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time")
      obj2 = TimeZoneInfo.FindSystemTimeZoneById("Eastern Standard Time")
      Console.WriteLine(thisTimeZone.Equals(obj1))
      Console.WriteLine(thisTimeZone.Equals(obj2))
   End Sub
End Module
' The example displays the following output:
'      True
'      False

Remarks

This method converts or casts obj to a TimeZoneInfo object and compares it with the current instance. The test for equality is based on a comparison of values. The current TimeZoneInfo instance and obj are considered to be equal under the following conditions:

• The run-time type of obj is TimeZoneInfo.

• The two objects have the same Id property value.

• The two objects have the same adjustment rules.

If obj is null, this method returns false.

public:
 virtual bool Equals(TimeZoneInfo ^ other);

public bool Equals (TimeZoneInfo other);

override this.Equals : TimeZoneInfo -> bool

Public Function Equals (other As TimeZoneInfo) As Boolean

Parameters

Returns

Boolean

true if the two TimeZoneInfo objects are equal; otherwise, false.

Implements

Examples

The following example uses the Equals(TimeZoneInfo) method to determine whether the local time zone is Pacific Time or Eastern Time.

   TimeZoneInfo thisTimeZone, zone1, zone2;

   thisTimeZone = TimeZoneInfo.Local;
   zone1 = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time");
   zone2 = TimeZoneInfo.FindSystemTimeZoneById("Eastern Standard Time");
   Console.WriteLine(thisTimeZone.Equals(zone1));
   Console.WriteLine(thisTimeZone.Equals(zone2));

Dim thisTimeZone, zone1, zone2 As TimeZoneInfo

thisTimeZone = TimeZoneInfo.Local
zone1 = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time")
zone2 = TimeZoneInfo.FindSystemTimeZoneById("Eastern Standard Time")
Console.WriteLine(thisTimeZone.Equals(zone1))
Console.WriteLine(thisTimeZone.Equals(zone2))

Remarks

Equality is based on a comparison of values. Two TimeZoneInfo objects are considered to be equal under the following conditions:

• The value of their Id property is the same.

• They have the same adjustment rules.

TimeZoneInfo.Equals(TimeZoneInfo) returns the Boolean value that results from evaluating the following expression:

other.Id == this.Id && HasSameRules(other);  

other.Id = me.Id AndAlso HasSameRules(other)  

If the other parameter is an uninitialized TimeZoneInfo object, this method returns false.