Vcl.Controls.TDragControlObjectEx Methods

• Up to Parent: TDragControlObjectEx

InheritedProtected

AfterConstruction	public
Assign	public	Copies the properties of another drag control object.
BeforeDestruction	public	Allows the application to detect that the drag object needs to be freed.
CheckDisposed	protected
ClassInfo	public	Returns a pointer to the run-time type information (RTTI) table for the object type.
ClassName	public	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
ClassNameIs	public	Determines whether an object is of a specific type.
ClassParent	public	Returns the type of the immediate ancestor of a class.
ClassType	public	Returns the class reference for the object's class.
CleanupInstance	public	Performs finalization on long strings, variants, and interface variables within a class.
Create	public
DefaultHandler	public	Provides the interface for a method that processes message records.
Destroy	public
Dispatch	public	Calls message-handling methods for the object, based on the contents of the Message parameter.
DisposeOf	public	DisposeOf forces the execution of the destructor code in an object.
EndDrag	protected	Generates an OnEndDrag event for the control that is being dragged.
Equals	public	Checks whether the current instance and the Obj parameter are equal.
FieldAddress	public	Returns the address of a published object field.
Finished	protected	Finished ends a drag-and-drop operation.
Free	public	Destroys an object and frees its associated memory, if necessary.
FreeInstance	public	Deallocates memory allocated by a previous call to the NewInstance method.
GetDisposed	protected	Getter for the Disposed property.
GetDragCursor	protected	Returns the correct drag cursor to display at the X, Y position for the drag-and-drop operation.
GetDragImages	protected	Returns the control's image list containing the image to be displayed while dragging.
GetHashCode	public	Returns an integer containing the hash code.
GetInterface	public	Retrieves a specified interface.
GetInterfaceEntry	public	Returns the entry for a specific interface implemented in a class.
GetInterfaceTable	public	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
GetName	public	Returns a string that identifies the drag operation.
HideDragImage	public	Hides the image used in the drag cursor.
InheritsFrom	public	Determines the relationship of two object types.
InitInstance	public	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
Instance	public	Returns the instance (module) handle of the EXE or DLL that created the drag object.
InstanceSize	public	Returns the size in bytes of each instance of the object type.
MainWndProc	protected	Receives Windows messages for the drag object.
MethodAddress	public	Returns the address of a class method by name.
MethodName	public	Returns the name of a class method by address.
NewInstance	public	Allocates memory for an instance of an object type and returns a pointer to that new instance.
QualifiedClassName	public	Returns the qualified name of the class.
SafeCallException	public	Handles exceptions in methods declared using the safecall calling convention.
ShowDragImage	public	Shows the image used in the drag cursor.
ToString	public	Returns a string containing the class name.
UnitName	public	Returns the name of the unit where the class is defined.
UnitScope	public	Returns the class's unit scope.
WndProc	protected	Processes messages received by the drag object.