Convert.ToUInt64 Method (Boolean)


Converts the specified Boolean value to the equivalent 64-bit unsigned integer.

This API is not CLS-compliant.

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

Public Shared Function ToUInt64 (
	value As Boolean
) As ULong


Type: System.Boolean

The Boolean value to convert.

Return Value

Type: System.UInt64

The number 1 if value is true; otherwise, 0.

The following example converts Boolean true and false values to unsigned long integers.

Dim falseFlag As Boolean = False
Dim trueFlag As Boolean = True

Console.WriteLine("{0} converts to {1}.", falseFlag, _
Console.WriteLine("{0} converts to {1}.", trueFlag, _
' The example displays the following output:
'       False converts to 0.
'       True converts to 1.

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