Information
Switch
Switch
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

Convert::ToDouble Method (Object^)

.NET Framework (current version)
 

Converts the value of the specified object to a double-precision floating-point number.

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

C#
C++
F#
VB
Copy 
public:
static double ToDouble(
	Object^ value
)

Parameters

value
Type: System::Object^

An object that implements the IConvertible interface, or null.

Return Value

Type: System::Double

A 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

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 null, this method wraps a call to the IConvertible::ToDoubleimplementation of the underlying type of value.

The following example attempts to convert each value in an object array to a Double.

C#
VB
C++
Copy
No code example is currently available or this language may not be supported.

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
Return to top
Show: