BcfColumnDefaultValueSource(T) Class


BcfColumnDefaultValueSourceT Class

Column behavior item to provide default values for an individual column. This class cannot be inherited.

Inheritance Hierarchy

SystemObject
  CalculationWorks.BusinessModel.BehaviorsBcfColumnBehaviorItemBase
    CalculationWorks.BusinessModel.BehaviorsBcfColumnDefaultValueSourceBaseT
      CalculationWorks.BusinessModel.BehaviorsBcfColumnDefaultValueSourceT

Namespace: CalculationWorks.BusinessModel.Behaviors
Assembly: CalculationWorks.BusinessModel (in CalculationWorks.BusinessModel.dll) Version: 3.0.2.0

Syntax

C++

Copy

public sealed class BcfColumnDefaultValueSource<T> : BcfColumnDefaultValueSourceBase<T>

Public NotInheritable Class BcfColumnDefaultValueSource(Of T)
	Inherits BcfColumnDefaultValueSourceBase(Of T)

generic<typename T>
public ref class BcfColumnDefaultValueSource sealed : public BcfColumnDefaultValueSourceBase<T>

[<SealedAttribute>]
type BcfColumnDefaultValueSource<'T> =  
    class
        inherit BcfColumnDefaultValueSourceBase<'T>
    end

Type Parameters

T: The value type.

The BcfColumnDefaultValueSourceT type exposes the following members.

Constructors

	Name	Description
	BcfColumnDefaultValueSourceT	Initializes a new instance of the BcfColumnDefaultValueSourceT class

Top

Properties

	Name	Description
	Column	Gets the BcfColumn the item belongs to. (Inherited from BcfColumnBehaviorItemBase.)
	Value	Gets or sets the value.

Top

Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

Top

Remarks

The property Value can be updated at runtime.

To apply a IBcfColumnDefaultValueSource instance to a BcfColumnBehavior add it to the BcfColumnSetup.BehaviorItems.

Only one IBcfColumnDefaultValueSource instance per BcfColumnBehavior allowed.

Examples

In this example a default value source will be added to a column. The default value source will always return the same empty ReadOnlyCollectionT of string.

BcfColumnSetup columnSetup = myTableSetup.Columns["myColumnName"];
columnSetup.BehaviorItems.Add(new BcfColumnDefaultValueSource<Guid>() { Value = new ReadOnlyCollection<string>(new string[] { }) });

Version Information

CalculationWorks.BusinessModel

Supported in: 3.0, 2.1, 2.0

Reference

CalculationWorks.BusinessModel.Behaviors Namespace