op_Addition Method
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DateTime.op_Addition Method

Adds a specified time interval to a specified date and time, yielding a new date and time.

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

public static DateTime operator + (
	DateTime d,
	TimeSpan t
)
Not applicable.

Parameters

d

A DateTime.

t

A TimeSpan.

Return Value

A DateTime that is the sum of the values of d and t.

Exception typeCondition

ArgumentOutOfRangeException

The resulting DateTime is less than MinValue or greater than MaxValue.

The following code example demonstrates the addition operator.

System.DateTime dTime = new System.DateTime(1980, 8, 5);

// tSpan is 17 days, 4 hours, 2 minutes and 1 second.
System.TimeSpan tSpan 
    = new System.TimeSpan(17, 4, 2, 1); 

// Result gets 8/22/1980 4:02:01 AM.
System.DateTime result = dTime + tSpan;

System.DateTime dTime = new System.DateTime(1980, 8, 5);
// tSpan is 17 days, 4 hours, 2 minutes and 1 second.
System.TimeSpan tSpan = new System.TimeSpan(17, 4, 2, 1);
// Result gets 8/22/1980 4:02:01 AM.
System.DateTime result = dTime.Add(tSpan);

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

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