Information
Switch
Switch
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

Convert::ToDouble Method (Boolean)

.NET Framework (current version)
 

Converts the specified Boolean value to the equivalent double-precision floating-point number.

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

C#
C++
F#
VB
Copy 
public:
static double ToDouble(
	bool value
)

Parameters

value
Type: System::Boolean

The Boolean value to convert.

Return Value

Type: System::Double

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

The following example converts a Boolean value to a Double value.

C#
C++
VB
Copy 
public:
   void ConvertDoubleBool( double doubleVal )
   {
      bool boolVal;

      // Double to bool conversion cannot overflow.
      boolVal = System::Convert::ToBoolean( doubleVal );
      System::Console::WriteLine( " {0} as a Boolean is: {1}.",
         doubleVal, boolVal );

      // bool to double conversion cannot overflow.
      doubleVal = System::Convert::ToDouble( boolVal );
      System::Console::WriteLine( " {0} as a double is: {1}.",
         boolVal, doubleVal );
   }

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
Return to top
Show: