Convert::ToInt64 Method (Double)

 

Converts the value of the specified double-precision floating-point number to an equivalent 64-bit signed integer.

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

public:
static long long ToInt64(
	double value
)

Parameters

value
Type: System::Double

The double-precision floating-point number to convert.

Return Value

Type: System::Int64

value, rounded to the nearest 64-bit signed integer. If value is halfway between two whole numbers, the even number is returned; that is, 4.5 is converted to 4, and 5.5 is converted to 6.

Exception Condition
OverflowException

value is greater than Int64::MaxValue or less than Int64::MinValue.

The following example attempts to convert each element in an array of Double values to a long integer.

No code example is currently available or this language may not be supported.

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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