Convert::ToDouble Method (Object^)
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 null.
Return Value
Type: System::DoubleA double-precision floating-point number that is equivalent to value, or zero if value is null.
| Exception | Condition |
|---|---|
| FormatException | value is not in an appropriate format for a Double type. |
| InvalidCastException | |
| OverflowException | value represents a number that is less than Double::MinValue or greater than Double::MaxValue. |
If value is not null, this method wraps a call to the IConvertible::ToDoubleimplementation of the underlying type of value.
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