C# Class System.Data.ColumnTypeConverter

Inheritance: System.ComponentModel.TypeConverter
显示文件 Open project: dotnet/corefx

Public Methods

Method Description
CanConvertFrom ( ITypeDescriptorContext context, Type sourceType ) : bool
CanConvertTo ( ITypeDescriptorContext context, Type destinationType ) : bool

Gets a value indicating whether this converter can convert an object to the given destination type using the context.

ColumnTypeConverter ( ) : System.ComponentModel
ConvertFrom ( ITypeDescriptorContext context, CultureInfo culture, object value ) : object
ConvertTo ( ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType ) : object

Converts the given value object to the specified destination type.

GetStandardValues ( ITypeDescriptorContext context ) : StandardValuesCollection

Gets a collection of standard values for the data type this validator is designed for.

GetStandardValuesExclusive ( ITypeDescriptorContext context ) : bool

Gets a value indicating whether the list of standard values returned from is an exclusive list.

GetStandardValuesSupported ( ITypeDescriptorContext context ) : bool

Gets a value indicating whether this object supports a standard set of values that can be picked from a list using the specified context.

Method Details

CanConvertFrom() public method

public CanConvertFrom ( ITypeDescriptorContext context, Type sourceType ) : bool
context ITypeDescriptorContext
sourceType System.Type
return bool

CanConvertTo() public method

Gets a value indicating whether this converter can convert an object to the given destination type using the context.
public CanConvertTo ( ITypeDescriptorContext context, Type destinationType ) : bool
context ITypeDescriptorContext
destinationType System.Type
return bool

ColumnTypeConverter() public method

public ColumnTypeConverter ( ) : System.ComponentModel
return System.ComponentModel

ConvertFrom() public method

public ConvertFrom ( ITypeDescriptorContext context, CultureInfo culture, object value ) : object
context ITypeDescriptorContext
culture System.Globalization.CultureInfo
value object
return object

ConvertTo() public method

Converts the given value object to the specified destination type.
public ConvertTo ( ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType ) : object
context ITypeDescriptorContext
culture System.Globalization.CultureInfo
value object
destinationType System.Type
return object

GetStandardValues() public method

Gets a collection of standard values for the data type this validator is designed for.
public GetStandardValues ( ITypeDescriptorContext context ) : StandardValuesCollection
context ITypeDescriptorContext
return StandardValuesCollection

GetStandardValuesExclusive() public method

Gets a value indicating whether the list of standard values returned from is an exclusive list.
public GetStandardValuesExclusive ( ITypeDescriptorContext context ) : bool
context ITypeDescriptorContext
return bool

GetStandardValuesSupported() public method

Gets a value indicating whether this object supports a standard set of values that can be picked from a list using the specified context.
public GetStandardValuesSupported ( ITypeDescriptorContext context ) : bool
context ITypeDescriptorContext
return bool