ToDouble Method

Convert value to double.

Syntax

Visual Basic
C#

'Declaration
 
Public Shared Function ToDouble( _
   ByVal value As Object _
) As Double

'Usage
 
Dim value As Object
Dim value As Double
 
value = CalcConvert.ToDouble(value)

public static double ToDouble( 
   object value
)

Parameters

value: The value to be converted.

Return Value

A double indicate the convert result.

Exceptions

Exception	Description
System.InvalidCastException	Can not convert value to double

Remarks

If value is a null reference (Nothing in Visual Basic), return 0d. If value is System.Int32, or float, or decimal, orlong, or short, or sbyte, or ulong, oruint, or ushort, or byte, explicitly convert it to double. If value is bool, return 1d if the value is true, otherwise return 0d. If value is System.DateTime, return OADate of value. If value is System.TimeSpan, return TotalDays of value. If value is System.String, first try parse it to double with current culture and any number style. if failed, then try parse with English culture (en) and any number style.

Requirements

Target Platforms: Windows Server 2012, Windows RT

Reference

CalcConvert Class
CalcConvert Members