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Convert::ToDouble Method (Byte)

.NET Framework (current version)
 

Converts the value of the specified 8-bit unsigned integer to the equivalent double-precision floating-point number.

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

C#
C++
F#
VB
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public:
static double ToDouble(
	unsigned char value
)

Parameters

value
Type: System::Byte

The 8-bit unsigned integer to convert.

Return Value

Type: System::Double

The double-precision floating-point number that is equivalent to value.

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

C#
C++
VB
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public:
   void ConvertDoubleByte( double doubleVal )
   {
      Byte byteVal = 0;

      // Double to Byte conversion can overflow.
      try
      {
         byteVal = System::Convert::ToByte( doubleVal );
         System::Console::WriteLine( " {0} as a Byte is: {1}.",
         doubleVal, byteVal );
      }
      catch ( System::OverflowException^ ) 
      {
         System::Console::WriteLine( "Overflow in double-to-Byte conversion." );
      }

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