LengthConverter.ConvertTo Method (ITypeDescriptorContext, CultureInfo, Object, Type)

Converts other types into instances of Double that represent an object's length.

Namespace:  System.Windows
Assembly:  PresentationFramework (in PresentationFramework.dll)

public override Object ConvertTo(
	ITypeDescriptorContext typeDescriptorContext,
	CultureInfo cultureInfo,
	Object value,
	Type destinationType


Type: System.ComponentModel.ITypeDescriptorContext

Describes context information of a component, such as its container and PropertyDescriptor.

Type: System.Globalization.CultureInfo

Identifies culture-specific information, including the writing system and the calendar that is used.

Type: System.Object

Identifies the Object that is being converted.

Type: System.Type

The data type that this instance of Double is being converted to.

Return Value

Type: System.Object
A new Object that is the value of the conversion.


Occurs if the value is null.


Occurs if the value is not null and is not a Brush, or the destinationType is not valid.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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