Convert.ToDouble Method (Single)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Converts the value of the specified single-precision floating point number to an equivalent double-precision floating point number.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- value
- Type: System.Single
A single-precision floating point number.
Return Value
Type: System.DoubleA double-precision floating point number equivalent to the value of value.
The following code sample illustrates the conversion of a Single value to a Double one, using ToDouble.
Public Sub CovertDoubleFloat(ByVal doubleVal As Double) Dim singleVal As Single = 0 ' Double to Single conversion cannot overflow. singleVal = System.Convert.ToSingle(doubleVal) outputBlock.Text &= String.Format("{0} as a Single is {1}", _ doubleVal, singleVal) & vbCrLf ' Conversion from Single to Double cannot overflow. doubleVal = System.Convert.ToDouble(singleVal) outputBlock.Text &= String.Format("{0} as a Double is: {1}", _ singleVal, doubleVal) & vbCrLf End Sub
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