ToUInt64 Method (Boolean)

Convert.ToUInt64 Method (Boolean)


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

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

public static ulong ToUInt64(
	bool value


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.

bool falseFlag = false;
bool trueFlag = 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 4.5
.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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