Class NullableConverter<T>
Converts a string or base value to a System.Nullable value.
Inheritance
System.Object
System.ComponentModel.TypeConverter
NullableConverter<T>
Inherited Members
System.ComponentModel.TypeConverter.CanConvertFrom(System.Type)
System.ComponentModel.TypeConverter.CanConvertTo(System.Type)
System.ComponentModel.TypeConverter.ConvertFrom(System.Object)
System.ComponentModel.TypeConverter.ConvertFromInvariantString(System.ComponentModel.ITypeDescriptorContext, System.String)
System.ComponentModel.TypeConverter.ConvertFromInvariantString(System.String)
System.ComponentModel.TypeConverter.ConvertFromString(System.ComponentModel.ITypeDescriptorContext, System.Globalization.CultureInfo, System.String)
System.ComponentModel.TypeConverter.ConvertFromString(System.ComponentModel.ITypeDescriptorContext, System.String)
System.ComponentModel.TypeConverter.ConvertFromString(System.String)
System.ComponentModel.TypeConverter.ConvertTo(System.Object, System.Type)
System.ComponentModel.TypeConverter.ConvertToInvariantString(System.ComponentModel.ITypeDescriptorContext, System.Object)
System.ComponentModel.TypeConverter.ConvertToInvariantString(System.Object)
System.ComponentModel.TypeConverter.ConvertToString(System.ComponentModel.ITypeDescriptorContext, System.Globalization.CultureInfo, System.Object)
System.ComponentModel.TypeConverter.ConvertToString(System.ComponentModel.ITypeDescriptorContext, System.Object)
System.ComponentModel.TypeConverter.ConvertToString(System.Object)
System.ComponentModel.TypeConverter.CreateInstance(System.Collections.IDictionary)
System.ComponentModel.TypeConverter.CreateInstance(System.ComponentModel.ITypeDescriptorContext, System.Collections.IDictionary)
System.ComponentModel.TypeConverter.GetConvertFromException(System.Object)
System.ComponentModel.TypeConverter.GetConvertToException(System.Object, System.Type)
System.ComponentModel.TypeConverter.GetCreateInstanceSupported()
System.ComponentModel.TypeConverter.GetCreateInstanceSupported(System.ComponentModel.ITypeDescriptorContext)
System.ComponentModel.TypeConverter.GetProperties(System.ComponentModel.ITypeDescriptorContext, System.Object)
System.ComponentModel.TypeConverter.GetProperties(System.ComponentModel.ITypeDescriptorContext, System.Object, System.Attribute[])
System.ComponentModel.TypeConverter.GetProperties(System.Object)
System.ComponentModel.TypeConverter.GetPropertiesSupported()
System.ComponentModel.TypeConverter.GetPropertiesSupported(System.ComponentModel.ITypeDescriptorContext)
System.ComponentModel.TypeConverter.GetStandardValues()
System.ComponentModel.TypeConverter.GetStandardValues(System.ComponentModel.ITypeDescriptorContext)
System.ComponentModel.TypeConverter.GetStandardValuesExclusive()
System.ComponentModel.TypeConverter.GetStandardValuesExclusive(System.ComponentModel.ITypeDescriptorContext)
System.ComponentModel.TypeConverter.GetStandardValuesSupported()
System.ComponentModel.TypeConverter.GetStandardValuesSupported(System.ComponentModel.ITypeDescriptorContext)
System.ComponentModel.TypeConverter.IsValid(System.ComponentModel.ITypeDescriptorContext, System.Object)
System.ComponentModel.TypeConverter.IsValid(System.Object)
System.ComponentModel.TypeConverter.SortProperties(System.ComponentModel.PropertyDescriptorCollection, System.String[])
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Assembly: OpenSilver.Controls.DataVisualization.Toolkit.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 |
System.ComponentModel.ITypeDescriptorContext |
context |
An object that provides a format context.
|
System.Type |
sourceType |
The type you want to convert from.
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Returns
Type |
Description |
System.Boolean |
Returns true if this converter can perform the conversion;
otherwise, false.
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Overrides
System.ComponentModel.TypeConverter.CanConvertFrom(System.ComponentModel.ITypeDescriptorContext, System.Type)
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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 |
System.ComponentModel.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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Overrides
System.ComponentModel.TypeConverter.CanConvertTo(System.ComponentModel.ITypeDescriptorContext, System.Type)
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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 |
System.ComponentModel.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.
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Overrides
System.ComponentModel.TypeConverter.ConvertFrom(System.ComponentModel.ITypeDescriptorContext, System.Globalization.CultureInfo, System.Object)
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 |
System.ComponentModel.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
.
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Returns
Type |
Description |
System.Object |
The converted value.
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Overrides
System.ComponentModel.TypeConverter.ConvertTo(System.ComponentModel.ITypeDescriptorContext, System.Globalization.CultureInfo, System.Object, System.Type)
Exceptions
Type |
Condition |
System.NotSupportedException |
The conversion cannot be performed.
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