Class StandardValuesCollectionConverter

A type converter that utilizes the IStandardValuesProvider interface and provides standard values based on the names returned by IStandardValuesProvider.GetStandardValues. These standard values can be dropped down in the PropertyGrid at design-time.

Inheritance
System.Object
StandardValuesCollectionConverter
Namespace: Syncfusion.Grouping
Assembly: Syncfusion.Grouping.Base.dll
Syntax
public class StandardValuesCollectionConverter : TypeConverter

Constructors

StandardValuesCollectionConverter()

Declaration
public StandardValuesCollectionConverter()

Methods

CanConvertFrom(ITypeDescriptorContext, Type)

Returns whether this converter can convert an object of the given type to the type of this converter, using the specified context.

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

An System.ComponentModel.ITypeDescriptorContext that provides a format context.
System.Type sourceType

A System.Type that represents the type you want to convert from.
Returns
Type Description
System.Boolean

True if this converter can perform the conversion; otherwise, false.

ConvertFrom(ITypeDescriptorContext, CultureInfo, Object)

Converts the given object to the type of this converter, using the specified context and culture information.

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

An System.ComponentModel.ITypeDescriptorContext that provides a format context.
System.Globalization.CultureInfo culture

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

The System.Object to convert.
Returns
Type Description
System.Object

An System.Object that represents the converted value.
Exceptions
Type Condition
System.NotSupportedException

The conversion cannot be performed.

GetStandardValues(ITypeDescriptorContext)

Returns a collection of standard values for the data type this type converter is designed for when provided with a format context.

Declaration
public override TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
Parameters
Type Name Description
System.ComponentModel.ITypeDescriptorContext context

An System.ComponentModel.ITypeDescriptorContext 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.
Returns
Type Description
System.ComponentModel.TypeConverter.StandardValuesCollection

A System.ComponentModel.TypeConverter.StandardValuesCollection that holds a standard set of valid values, or null if the data type does not support a standard set of values.

GetStandardValuesExclusive(ITypeDescriptorContext)

Returns whether the collection of standard values returned from System.ComponentModel.TypeConverter.GetStandardValues is an exclusive list of possible values, using the specified context.

Declaration
public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
Parameters
Type Name Description
System.ComponentModel.ITypeDescriptorContext context

An System.ComponentModel.ITypeDescriptorContext that provides a format context.
Returns
Type Description
System.Boolean

True if the System.ComponentModel.TypeConverter.StandardValuesCollection returned from System.ComponentModel.TypeConverter.GetStandardValues is an exhaustive list of possible values; false if other values are possible.

GetStandardValuesSupported(ITypeDescriptorContext)

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

Declaration
public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
Parameters
Type Name Description
System.ComponentModel.ITypeDescriptorContext context

An System.ComponentModel.ITypeDescriptorContext that provides a format context.
Returns
Type Description
System.Boolean

True if System.ComponentModel.TypeConverter.GetStandardValues should be called to find a common set of values the object supports; otherwise, false.

ShouldSortStandardValues(Object)

Determines whether the standard values should be sorted alphabetically by checking the Engine.SortMappingNames property.

Declaration
protected virtual bool ShouldSortStandardValues(object ips)
Parameters
Type Name Description
System.Object ips

The object instance.
Returns
Type Description
System.Boolean

Returns Boolean value.

Extension Methods