ImageIndexConverter.ConvertTo Method

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Converts the specified object to the specified destination type.

public:
 override System::Object ^ ConvertTo(System::ComponentModel::ITypeDescriptorContext ^ context, System::Globalization::CultureInfo ^ culture, System::Object ^ value, Type ^ destinationType);

public override object ConvertTo (System.ComponentModel.ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType);

public override object? ConvertTo (System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object? value, Type destinationType);

override this.ConvertTo : System.ComponentModel.ITypeDescriptorContext * System.Globalization.CultureInfo * obj * Type -> obj

Public Overrides Function ConvertTo (context As ITypeDescriptorContext, culture As CultureInfo, value As Object, destinationType As Type) As Object

Parameters

context: ITypeDescriptorContext

An ITypeDescriptorContext that provides a format context, which can be used to extract additional information about the environment this type converter is being invoked from. This parameter or properties of this parameter can be null.

culture: CultureInfo

A CultureInfo that provides locale information.

value: Object

The object to convert, typically an index represented as an Int32.

destinationType: Type

The type to convert the object to, often a String.

Returns

Object

An Object that represents the converted value.

Exceptions

ArgumentNullException

The destinationType is null.

NotSupportedException

The specified value could not be converted to the specified destinationType.

Remarks

The default implementation of this method can only convert an index value represented as an Int32 to a String.

Notes to Inheritors

Override this method to provide your own conversion capabilities.

The context parameter can be used to extract additional information about the environment this type converter is being invoked from. This may be null, so you should always check for this return value. Also, properties on the context object may also return null.

Applies to

Udostępnij za pośrednictwem