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KeysConverter.ConvertFrom(ITypeDescriptorContext, CultureInfo, Object) Method

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Definition

Namespace:
System.Windows.Forms
Assembly:
System.Windows.Forms.dll

Converts the specified object to the converter's native type.

public:
 override System::Object ^ ConvertFrom(System::ComponentModel::ITypeDescriptorContext ^ context, System::Globalization::CultureInfo ^ culture, System::Object ^ value);
public override object ConvertFrom (System.ComponentModel.ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value);
public override object? ConvertFrom (System.ComponentModel.ITypeDescriptorContext? context, System.Globalization.CultureInfo? culture, object value);
override this.ConvertFrom : System.ComponentModel.ITypeDescriptorContext * System.Globalization.CultureInfo * obj -> obj
Public Overrides Function ConvertFrom (context As ITypeDescriptorContext, culture As CultureInfo, value As Object) As Object

Parameters

context
ITypeDescriptorContext

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

culture
CultureInfo

A CultureInfo object to provide locale information.

value
Object

The object to convert.

Returns

Object

An object that represents the converted value.

Exceptions

FormatException

An invalid key combination was supplied.

-or-

An invalid key name was supplied.

Remarks

The ConvertFrom method is specialized to convert objects of type String or Enum array. In this case, it will return an object of type Keys. Otherwise, it defers evaluation to the base implementation of this method.

Notes to Inheritors

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

Applies to

See also