TDecisionSource Members

The following tables list the members exposed by TDecisionSource.

	Name	Description
	FComponentStyle	This is FComponentStyle, a member of class TComponent.

Protected Methods

	Name	Description
	_AddRef	Called when an application uses a component interface.
	_Release	Called when an application releases a component interface.
	AssignTo	Copies the properties of an object to a destination object.
	ChangeName	Sets the private, internal storage for the Name property to the string passed in NewName.
	GetChildOwner	Returns the owner of a child component being read from a stream.
	GetChildParent	Returns the parent, or if there is no parent, returns the owner of a child component being read from a stream.
	GetChildren	This is GetChildren, a member of class TComponent.
	GetIDsOfNames	Maps a single member and an optional set of argument names to a corresponding set of integer dispatch identifiers (dispIDs).
	GetOwner	Returns the owner of a component.
	GetOwner	Returns the owner of an object.
	GetTypeInfo	Retrieves the type information for an object.
	GetTypeInfoCount	Returns the number of type information interfaces that an object provides (either 0 or 1).
	Invoke	Provides access to Automation properties and methods when the component wraps an Automation object.
	Loaded	Initializes the component after the form file has been read into memory.
	Notification	Forwards notification messages to all owned components.
	PaletteCreated	Responds when the component is created from the component palette.
	QueryInterface	Returns a reference to a specified interface if the object supports that interface.
	ReadState	This is ReadState, a member of class TComponent.
	SetAncestor	This is SetAncestor, a member of class TComponent.
	SetChildOrder	This is SetChildOrder, a member of class TComponent.
	SetDesigning	Ensures that components inserted at design time have their design-mode flag set.
	SetDesignInstance	Ensures that components inserted at design time have their design-mode flag set.
	SetDimGroup	This is SetDimGroup, a member of class TDecisionSource.
	SetDimState	This is SetDimState, a member of class TDecisionSource.
	SetInline	Sets the csInline bit of the component's ComponentState property
	SetName	Sets the value of the Name property.
	SetParentComponent	This is SetParentComponent, a member of class TComponent.
	Updated	Clears the csUpdating state in the component's ComponentState property when the component finishes updating.
	UpdateRegistry	Provides the interface for a method that adds type library and version information to the Registry on components that implement COM interfaces.
	Updating	Sets the csUpdating state in the component's ComponentState property.
	ValidateContainer	Determines whether an object can be inserted into a container.
	ValidateInsert	Provides the interface for a method that validates an child component before it is inserted.
	ValidateRename	Ensures that renaming an owned component does not create name conflict.
	WriteState	This is WriteState, a member of class TComponent.

Public Fields

	Name	Description
	FOnAfterPivot	This is FOnAfterPivot, a member of class TDecisionSource.
	FOnBeforePivot	This is FOnBeforePivot, a member of class TDecisionSource.
	FOnLayoutChange	This is FOnLayoutChange, a member of class TDecisionSource.
	FOnNewDimensions	This is FOnNewDimensions, a member of class TDecisionSource.
	FOnStateChange	This is FOnStateChange, a member of class TDecisionSource.
	FonSummaryChange	This is FonSummaryChange, a member of class TDecisionSource.

Public Methods

	Name	Description
	_AddRef	Increments the reference count for this interface.
	_Release	Decrements the reference count for this interface.
	AfterConstruction	Responds after the last constructor has executed.
	Assign	Copies the contents of another, similar object.
	BeforeDestruction	Performs any necessary actions before the first destructor is called.
	BeforeDestruction	Responds before the first destructor executes.
	ClassInfo	Returns a pointer to the runtime type information (RTTI) table for the object type.
	ClassName	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
	ClassNameIs	Determines whether an object is of a specific type.
	ClassParent	Returns the type of the immediate ancestor of a class.
	ClassType	Returns the class reference for the object's class.
	CleanupInstance	Performs finalization on long strings, variants, and interface variables within a class.
	CloseDimIndexRight	Closes a dimension.
	Create	Creates and initializes an instance of TDecisionSource.
	DefaultHandler	Provides the interface for a method that processes message records.
	DefineProperties	Designates methods for storing an object's unpublished data on a stream such as a form file.
	Destroy	Destroys an instance of TDecisionSource.
	DestroyComponents	Destroys all owned components.
	Destroying	Indicates that the component and its owned components are about to be destroyed.
	Dispatch	Calls message-handling methods for the object, based on the contents of the Message parameter.
	DrillDimIndex	Collapses a dimension to focus on a single value.
	ExecuteAction	This is ExecuteAction, a member of class TComponent.
	FieldAddress	Returns the address of a published object field.
	FindComponent	Indicates whether a given component is owned by the component.
	Free	Destroys an object and frees its associated memory, if necessary.
	FreeInstance	Deallocates memory allocated by a previous call to the System::TObject::NewInstance method.
	FreeNotification	Ensures that AComponent is notified that the component is going to be destroyed.
	FreeOnRelease	Frees the interface reference for components that were created from COM classes.
	Get2DDataAsVariant	Returns the summary for a two dimensional projection of the current pivot state.
	GetActiveDim	Converts a row-specific or column-specific dimension index into an absolute dimension index.
	GetComponent	Returns a reference to the component associated by the implementing class.
	GetDataAsString	Returns the data value that should appear in the cell of a decision grid, formatted as a string.
	GetDataAsVariant	Returns the data value that should appear in the cell of a decision grid.
	GetDimensionMemberCount	Returns the number of distinct values to be displayed for a given dimension.
	GetDimensionName	Returns the display name for a dimension.
	GetEnumerator	Returns a TComponent enumerator.
	GetGroup	Indicates where a dimension appears in the current pivot state.
	GetGroupCount	Returns the number of dimensions there are of a specified type.
	GetGroupExtent	Returns the range of cell indexes for a single value of a dimension.
	GetIndex	Returns the row-specific or column-specific index of a dimension.
	GetInterface	Retrieves a specified interface.
	GetInterfaceEntry	Returns the entry for a specific interface implemented in a class.
	GetInterfaceTable	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
	GetMemberAsString	Returns the label string for a dimension value.
	GetMemberAsVariant	Returns a value along a dimension.
	GetNamePath	Returns a string used by the Object Inspector.
	GetNamePath	Returns the name of the object as it appears in the Object Inspector.
	GetParentComponent	Returns the containing Component.
	GetRowState	Indicates whether the adjacent dimensions are open or closed.
	GetState	Returns the state of a dimension.
	GetSummaryName	Returns the name of an active summary in the decision cube.
	GetValue	Returns the drill value of a drilled or paged dimension.
	GetValueArray	Returns the values of all dimension fields over which a data cell is summarized.
	GetValueIndex	Returns the index of a single dimension value that corresponds to a cell in a decision grid.
	HasParent	This is HasParent, a member of class TComponent.
	InheritsFrom	Determines the relationship of two object types.
	InitInstance	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
	InsertComponent	Establishes the component as the owner of a specified component.
	InstanceSize	Returns the size in bytes of each instance of the object type.
	IsImplementorOf	Indicates whether the component implements a specified interface.
	MethodAddress	This is MethodAddress, a member of class TObject.
	MethodName	This is MethodName, a member of class TObject.
	MoveDimIndexes	Changes the position of a dimension.
	NewInstance	Allocates memory for an instance of an object type and returns a pointer to that new instance.
	OpenDimIndexLeft	Opens the first closed dimension that appears before a specified dimension.
	OpenDimIndexRight	Opens the first closed dimension that appears after a specified dimension.
	QueryInterface	Returns a reference to a specified interface if the object supports that interface.
	ReferenceInterface	Establishes or removes internal links that cause this component to be notified when the implementer of a specified interface is destroyed.
	RemoveComponent	Removes a specified component specified from the component's Components list.
	RemoveFreeNotification	Disables destruction notification that was enabled by FreeNotification
	SafeCallException	Handles exceptions in methods declared using the safecall calling convention.
	SafeCallException	Handles exceptions in methods declared using the safecall calling convention.
	SetCurrentSummary	Specifies which summary is provided by the decision source.
	SetSubComponent	Identifies whether the component is a subcomponent.
	SwapDimIndexes	Interchanges the positions of two dimensions.
	ToggleDimIndex	Changes whether a dimension is open, closed, or drilled.
	UpdateAction	This is UpdateAction, a member of class TComponent.

Public Properties

	Name	Description
	ComObject	Specifies the interface reference implemented by the component.
	ComponentCount	Indicates the number of components owned by the component.
	ComponentIndex	Indicates the position of the component in its owner's Components property array.
	Components	Lists all components owned by the component.
	ComponentState	Describes the current state of the component, indicating when a component needs to avoid certain actions.
	ComponentStyle	Governs the behavior of the component.
	CurrentSum	Indicates the index of the current summary from the set of active summaries maintained by the decision cube.
	DesignInfo	Contains information used by the Form designer.
	nColDims	Indicates the number of column dimensions in the current pivot state of the decision source.
	nDataCols	Indicates the number of columns provided to the data region of a decision grid.
	nDataRows	Indicates the number of rows provided to the data region of a decision grid.
	nDims	Indicates the number of active dimensions in the decision cube.
	nOpenColDims	Indicates the number of column dimensions provided by the decision source.
	nOpenRowDims	Indicates the number of row dimensions provided by the decision source.
	nRowDims	Indicates the number of row dimensions in the current pivot state of the decision source.
	nSums	Indicates the number of active summaries in the decision cube.
	Owner	Indicates the component that is responsible for streaming and freeing this component.
	Ready	Indicates whether the decision source is linked to an active decision cube.
	VCLComObject	Represents information used internally by components that support COM.

Published Events

	Name	Description
	OnAfterPivot	Occurs immediately after the current pivot state changes.
	OnBeforePivot	Occurs just before the current pivot state changes.
	OnLayoutChange	Occurs immediately after decision controls are updated to reflect a change to the pivot state of the decision source.
	OnNewDimensions	Occurs immediately after the data provided by the decision cube changes.
	OnStateChange	Occurs when the DecisionCube property changes.
	OnSummaryChange	Occurs immediately after the CurrentSum property changes.

Published Properties

	Name	Description
	ControlType	Specifies how the decision source responds to messages from the decision pivot.
	DecisionCube	Specifies the decision cube that provides the crosstabulated data for the decision source.
	Name	Specifies the name of the component as referenced in code.
	SparseCols	Indicates whether empty columns are removed from the current projection.
	SparseRows	Indicates whether empty rows are removed from the current projection.
	Tag	Stores an integer value as part of a component.

What do you think about this topic? Send feedback!