Class NullableConverter<T>

Converts a string or base value to a System.Nullable value.

Inheritance
System.Object
NullableConverter<T>
Namespace: System.Windows.Controls.DataVisualization.Charting
Assembly: Controls.DataVisualization.OpenSilver.dll
Syntax
public class NullableConverter<T> : TypeConverter where T : struct
Type Parameters
Name Description
T

The type should be value type.

Methods

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CanConvertFrom(ITypeDescriptorContext, Type)

Returns whether the type converter can convert an object from the specified type to the type of this converter.

Declaration
public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
Parameters
Type Name Description
ITypeDescriptorContext context

An object that provides a format context.
System.Type sourceType

The type you want to convert from.
Returns
Type Description
System.Boolean

Returns true if this converter can perform the conversion; otherwise, false.
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CanConvertTo(ITypeDescriptorContext, Type)

Returns whether the type converter can convert an object from the specified type to the type of this converter.

Declaration
public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
Parameters
Type Name Description
ITypeDescriptorContext context

An object that provides a format context.
System.Type destinationType

The type you want to convert to.
Returns
Type Description
System.Boolean

Returns true if this converter can perform the conversion; otherwise, false.
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ConvertFrom(ITypeDescriptorContext, CultureInfo, Object)

Converts from the specified value to the type of this converter.

Declaration
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
Parameters
Type Name Description
ITypeDescriptorContext context

An object that provides a format context.
System.Globalization.CultureInfo culture

The System.Globalization.CultureInfo to use as the current culture.
System.Object value

The value to convert to the type of this converter.
Returns
Type Description
System.Object

The converted value.
Exceptions
Type Condition
System.NotSupportedException

The conversion cannot be performed.
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ConvertTo(ITypeDescriptorContext, CultureInfo, Object, Type)

Converts from the specified value to the a specified type from the type of this converter.

Declaration
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
Parameters
Type Name Description
ITypeDescriptorContext context

An object that provides a format context.
System.Globalization.CultureInfo culture

The System.Globalization.CultureInfo to use as the current culture.
System.Object value

The value to convert to the type of this converter.
System.Type destinationType

The type of convert the value to .
Returns
Type Description
System.Object

The converted value.
Exceptions
Type Condition
System.NotSupportedException

The conversion cannot be performed.

Extension Methods