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.