This documentation is archived and is not being maintained.
Convert::ToDouble Method (Object)
Visual Studio 2010
Converts the value of the specified object to a double-precision floating-point number.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- value
- Type: System::Object
An object that implements the IConvertible interface, or nullptr.
Return Value
Type: System::DoubleA double-precision floating-point number that is equivalent to value, or zero if value is nullptr.
| Exception | Condition |
|---|---|
| FormatException | value is not in an appropriate format for a Double type. |
| InvalidCastException | value does not implement the IConvertible interface. -or- The conversion is not supported. |
| OverflowException | value represents a number that is less than Double::MinValue or greater than Double::MaxValue. |
If value is not nullptr, this method wraps a call to the IConvertible::ToDouble implementation of the underlying type of value.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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