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ConvertToInt64 Method (Object)
Converts the value of the specified object to a 64-bit signed integer.

Namespace: System
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0
Syntax
C#
public static long ToInt64(
	Object value
)

Parameters

value
Type: SystemObject
An object that implements the IConvertible interface, or null.

Return Value

Type: Int64
A 64-bit signed integer that is equivalent to value, or zero if value is null.
Exceptions
ExceptionCondition
FormatExceptionvalue is not in an appropriate format.
InvalidCastExceptionvalue does not implement the IConvertible interface. -or-The conversion is not supported.
OverflowExceptionvalue represents a number that is less than MinValue or greater than MaxValue.
See Also