InternetAddressConverterIsValid(ITypeDescriptorContext, Object) Method

public override bool IsValid(
	ITypeDescriptorContext context,
	Object value
)

Parameters

context  ITypeDescriptorContext

An ITypeDescriptorContext that provides a format context.

value  Object

The Object to test for validity.

Return Value

Use the context parameter to extract additional information about the environment from which this converter is invoked. This parameter can be , so always check it. Also, properties on the context object can return .

Starting in .NET Framework 4, the IsValid(ITypeDescriptorContext, Object) method catches exceptions from the CanConvertFrom(ITypeDescriptorContext, Type) and ConvertFrom(ITypeDescriptorContext, CultureInfo, Object) methods. If the input value type causes CanConvertFrom(ITypeDescriptorContext, Type) to return , or if the input value causes ConvertFrom(ITypeDescriptorContext, CultureInfo, Object) to raise an exception, the IsValid(ITypeDescriptorContext, Object) method returns .

Reference