Provides a unified way of converting types of values to other types, as well as for accessing standard values and subproperties.
| Method Name |
Description |
| CanConvertFrom(sourceType As Type) As Boolean |
Returns whether this converter can convert an object of the given type to the type of this converter.
| Parameters |
| sourceType |
| Type: Type |
| A that represents the type you want to convert from. |
|
| CanConvertFrom(context As ITypeDescriptorContext, sourceType As Type) As Boolean |
Returns whether this converter can convert an object of the given type to the type of this converter, using the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| sourceType |
| Type: Type |
| A that represents the type you want to convert from. |
|
| CanConvertTo(destinationType As Type) As Boolean |
Returns whether this converter can convert the object to the specified type.
| Parameters |
| destinationType |
| Type: Type |
| A that represents the type you want to convert to. |
|
| CanConvertTo(context As ITypeDescriptorContext, destinationType As Type) As Boolean |
Returns whether this converter can convert the object to the specified type, using the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| destinationType |
| Type: Type |
| A that represents the type you want to convert to. |
|
| ConvertFrom(value As Object) As Object |
Converts the given value to the type of this converter.
| Parameters |
| value |
| Type: Object |
| The to convert. |
|
| ConvertFrom(context As ITypeDescriptorContext, culture As CultureInfo, value As Object) As Object |
Converts the given object to the type of this converter, using the specified context and culture information.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| culture |
| Type: CultureInfo |
| The to use as the current culture. |
| |
| value |
| Type: Object |
| The to convert. |
|
| ConvertFromInvariantString(text As String) As Object |
Converts the given string to the type of this converter, using the invariant culture.
| Parameters |
| text |
| Type: String |
| The to convert. |
|
| ConvertFromInvariantString(context As ITypeDescriptorContext, text As String) As Object |
Converts the given string to the type of this converter, using the invariant culture and the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| text |
| Type: String |
| The to convert. |
|
| ConvertFromString(text As String) As Object |
Converts the specified text to an object.
| Parameters |
| text |
| Type: String |
| The text representation of the object to convert. |
|
| ConvertFromString(context As ITypeDescriptorContext, text As String) As Object |
Converts the given text to an object, using the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| text |
| Type: String |
| The to convert. |
|
| ConvertFromString(context As ITypeDescriptorContext, culture As CultureInfo, text As String) As Object |
Converts the given text to an object, using the specified context and culture information.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| culture |
| Type: CultureInfo |
| A . If null is passed, the current culture is assumed. |
| |
| text |
| Type: String |
| The to convert. |
|
| ConvertTo(value As Object, destinationType As Type) As Object |
Converts the given value object to the specified type, using the arguments.
| Parameters |
| value |
| Type: Object |
| The to convert. |
| |
| destinationType |
| Type: Type |
| The to convert the parameter to. |
|
| ConvertTo(context As ITypeDescriptorContext, culture As CultureInfo, value As Object, destinationType As Type) As Object |
Converts the given value object to the specified type, using the specified context and culture information.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| culture |
| Type: CultureInfo |
| A . If null is passed, the current culture is assumed. |
| |
| value |
| Type: Object |
| The to convert. |
| |
| destinationType |
| Type: Type |
| The to convert the parameter to. |
|
| ConvertToInvariantString(value As Object) As String |
Converts the specified value to a culture-invariant string representation.
| Parameters |
| value |
| Type: Object |
| The to convert. |
|
| ConvertToInvariantString(context As ITypeDescriptorContext, value As Object) As String |
Converts the specified value to a culture-invariant string representation, using the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| value |
| Type: Object |
| The to convert. |
|
| ConvertToString(value As Object) As String |
Converts the specified value to a string representation.
| Parameters |
| value |
| Type: Object |
| The to convert. |
|
| ConvertToString(context As ITypeDescriptorContext, value As Object) As String |
Converts the given value to a string representation, using the given context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| value |
| Type: Object |
| The to convert. |
|
| ConvertToString(context As ITypeDescriptorContext, culture As CultureInfo, value As Object) As String |
Converts the given value to a string representation, using the specified context and culture information.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| culture |
| Type: CultureInfo |
| A . If null is passed, the current culture is assumed. |
| |
| value |
| Type: Object |
| The to convert. |
|
| CreateInstance(propertyValues As IDictionary) As Object |
Re-creates an object given a set of property values for the object.
| Parameters |
| propertyValues |
| Type: IDictionary |
| An that represents a dictionary of new property values. |
|
| CreateInstance(context As ITypeDescriptorContext, propertyValues As IDictionary) As Object |
Creates an instance of the type that this is associated with, using the specified context, given a set of property values for the object.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| propertyValues |
| Type: IDictionary |
| An of new property values. |
|
| GetConvertFromException(value As Object) As Exception |
Returns an exception to throw when a conversion cannot be performed.
| Parameters |
| value |
| Type: Object |
| The to convert, or null if the object is not available. |
|
| GetConvertToException(value As Object, destinationType As Type) As Exception |
Returns an exception to throw when a conversion cannot be performed.
| Parameters |
| value |
| Type: Object |
| The to convert, or null if the object is not available. |
| |
| destinationType |
| Type: Type |
| A that represents the type the conversion was trying to convert to. |
|
| GetCreateInstanceSupported() As Boolean |
Returns whether changing a value on this object requires a call to the method to create a new value. |
| GetCreateInstanceSupported(context As ITypeDescriptorContext) As Boolean |
Returns whether changing a value on this object requires a call to to create a new value, using the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
|
| GetProperties(value As Object) As PropertyDescriptorCollection |
Returns a collection of properties for the type of array specified by the value parameter.
| Parameters |
| value |
| Type: Object |
| An that specifies the type of array for which to get properties. |
|
| GetProperties(context As ITypeDescriptorContext, value As Object) As PropertyDescriptorCollection |
Returns a collection of properties for the type of array specified by the value parameter, using the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| value |
| Type: Object |
| An that specifies the type of array for which to get properties. |
|
| GetProperties(context As ITypeDescriptorContext, value As Object, attributes() As Attribute()) As PropertyDescriptorCollection |
Returns a collection of properties for the type of array specified by the value parameter, using the specified context and attributes.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| value |
| Type: Object |
| An that specifies the type of array for which to get properties. |
| |
| attributes |
| Type: Attribute |
| An array of type that is used as a filter. |
|
| GetPropertiesSupported() As Boolean |
Returns whether this object supports properties. |
| GetPropertiesSupported(context As ITypeDescriptorContext) As Boolean |
Returns whether this object supports properties, using the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
|
| GetStandardValues() As ICollection |
Returns a collection of standard values from the default context for the data type this type converter is designed for. |
| GetStandardValues(context As ITypeDescriptorContext) As StandardValuesCollection |
Returns a collection of standard values for the data type this type converter is designed for when provided with a format context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context that can be used to extract additional information about the environment from which this converter is invoked. This parameter or properties of this parameter can be null. |
|
| GetStandardValuesExclusive() As Boolean |
Returns whether the collection of standard values returned from is an exclusive list. |
| GetStandardValuesExclusive(context As ITypeDescriptorContext) As Boolean |
Returns whether the collection of standard values returned from is an exclusive list of possible values, using the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
|
| GetStandardValuesSupported() As Boolean |
Returns whether this object supports a standard set of values that can be picked from a list. |
| GetStandardValuesSupported(context As ITypeDescriptorContext) As Boolean |
Returns whether this object supports a standard set of values that can be picked from a list, using the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
|
| IsValid(value As Object) As Boolean |
Returns whether the given value object is valid for this type.
| Parameters |
| value |
| Type: Object |
| The object to test for validity. |
|
| IsValid(context As ITypeDescriptorContext, value As Object) As Boolean |
Returns whether the given value object is valid for this type and for the specified context.
| Parameters |
| context |
| Type: ITypeDescriptorContext |
| An that provides a format context. |
| |
| value |
| Type: Object |
| The to test for validity. |
|
| SortProperties(props As PropertyDescriptorCollection, names() As String()) As PropertyDescriptorCollection |
Sorts a collection of properties.
| Parameters |
| props |
| Type: PropertyDescriptorCollection |
| A that has the properties to sort. |
| |
| names |
| Type: String |
| An array of names in the order you want the properties to appear in the collection. |
|