| ConvertChangeType Method (Object, Type, IFormatProvider) |
Returns an object of the specified type whose value is equivalent to the specified object. A parameter supplies culture-specific formatting information.
Namespace: System
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0
SyntaxC#
public static Object ChangeType( Object value, Type conversionType, IFormatProvider provider )
Parameters
- value
- Type: SystemObject
An object that implements the IConvertible interface. - conversionType
- Type: SystemType
The type of object to return. - provider
- Type: SystemIFormatProvider
An object that supplies culture-specific formatting information.
Return Value
Type: ObjectAn object whose type is conversionType and whose value is equivalent to value.-or- value, if the Type of value and conversionType are equal.-or- A null reference (Nothing in Visual Basic), if value is null and conversionType is not a value type.
Exceptions| Exception | Condition |
|---|---|
| InvalidCastException | This conversion is not supported. -or-value is null and conversionType is a value type.-or-value does not implement the IConvertible interface. |
| FormatException | value is not in a format for conversionType recognized by provider. |
| OverflowException | value represents a number that is out of the range of conversionType. |
| ArgumentNullException | conversionType is null. |
See Also