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SerializationInfo.GetInt64 Method

Retrieves a 64-bit signed integer value from the SerializationInfo store.

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

public long GetInt64(
	string name


Type: System.String
The name associated with the value to retrieve.

Return Value

Type: System.Int64
The 64-bit signed integer associated with name.


name is null.


The value associated with name cannot be converted to a 64-bit signed integer.


An element with the specified name is not found in the current instance.

If the value is a 64-bit signed integer, or can be converted to one, that value is returned; otherwise, a InvalidCastException is thrown. All conversions are done by the IFormatterConverter associated with this SerializationInfo.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.