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LengthConverter.ConvertFrom Method (ITypeDescriptorContext, CultureInfo, Object)

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

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

public override Object ConvertFrom(
	ITypeDescriptorContext typeDescriptorContext,
	CultureInfo cultureInfo,
	Object source
)

Parameters

typeDescriptorContext
Type: System.ComponentModel.ITypeDescriptorContext

Provides contextual information about a component.

cultureInfo
Type: System.Globalization.CultureInfo

Represents culture-specific information that is maintained during a conversion.

source
Type: System.Object

Identifies the object that is being converted to Double.

Return Value

Type: System.Object
An instance of Double that is the value of the conversion.

ExceptionCondition
ArgumentNullException

Occurs if the source is null.

ArgumentException

Occurs if the source is not null and is not a valid type for conversion.

LengthConverter supports conversion of the following types: String, Decimal, Single, Double, Int16, Int32, Int64, UInt16, UInt32, UInt64.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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