Vcl.Controls.TDragControlObjectEx Methods

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InheritedProtected
AfterConstructionpublic
AssignpublicCopies the properties of another drag control object.
BeforeDestructionpublicAllows the application to detect that the drag object needs to be freed.
CheckDisposedprotected
ClassInfopublicReturns a pointer to the run-time type information (RTTI) table for the object type.
ClassNamepublicReturns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
ClassNameIspublicDetermines whether an object is of a specific type.
ClassParentpublicReturns the type of the immediate ancestor of a class.
ClassTypepublicReturns the class reference for the object's class.
CleanupInstancepublicPerforms finalization on long strings, variants, and interface variables within a class.
Createpublic
DefaultHandlerpublicProvides the interface for a method that processes message records.
Destroypublic
DispatchpublicCalls message-handling methods for the object, based on the contents of the Message parameter.
DisposeOfpublicDisposeOf forces the execution of the destructor code in an object.
EndDragprotectedGenerates an OnEndDrag event for the control that is being dragged.
EqualspublicChecks whether the current instance and the Obj parameter are equal.
FieldAddresspublicReturns the address of a published object field.
FinishedprotectedFinished ends a drag-and-drop operation.
FreepublicDestroys an object and frees its associated memory, if necessary.
FreeInstancepublicDeallocates memory allocated by a previous call to the NewInstance method.
GetDisposedprotectedGetter for the Disposed property.
GetDragCursorprotectedReturns the correct drag cursor to display at the X, Y position for the drag-and-drop operation.
GetDragImagesprotectedReturns the control's image list containing the image to be displayed while dragging.
GetHashCodepublicReturns an integer containing the hash code.
GetInterfacepublicRetrieves a specified interface.
GetInterfaceEntrypublicReturns the entry for a specific interface implemented in a class.
GetInterfaceTablepublicReturns a pointer to a structure containing all of the interfaces implemented by a given class.
GetNamepublicReturns a string that identifies the drag operation.
HideDragImagepublicHides the image used in the drag cursor.
InheritsFrompublicDetermines the relationship of two object types.
InitInstancepublicInitializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
InstancepublicReturns the instance (module) handle of the EXE or DLL that created the drag object.
InstanceSizepublicReturns the size in bytes of each instance of the object type.
MainWndProcprotectedReceives Windows messages for the drag object.
MethodAddresspublicReturns the address of a class method by name.
MethodNamepublicReturns the name of a class method by address.
NewInstancepublicAllocates memory for an instance of an object type and returns a pointer to that new instance.
QualifiedClassNamepublicReturns the qualified name of the class.
SafeCallExceptionpublicHandles exceptions in methods declared using the safecall calling convention.
ShowDragImagepublicShows the image used in the drag cursor.
ToStringpublicReturns a string containing the class name.
UnitNamepublicReturns the name of the unit where the class is defined.
UnitScopepublicReturns the class's unit scope.
WndProcprotectedProcesses messages received by the drag object.