Taxonomy Categories:
Member Functions:
Interface Category:
API.
Inherits From:
TCommandOn
Inherited By:
None.
Purpose:
Orphans an existing link from a model. This command supports undo and redo operations.
Instantiation:
Allocate on the heap or the stack.
Deriving Classes:
No special requirements.
Concurrency:
Not multithread safe.
Resource Use:
No special requirements.
- TOrphanLinkCommand (const TModelLinkReference &)
- TOrphanLinkCommand (const TOrphanLinkCommand &)
- TOrphanLinkCommand ()
Interface Category:
API.
Purpose:
- Creates a command to orphan a specific link.
- Copy constructor
- Default constructor.
Calling Context:
- Call this function directly.
- Called to copy command.
- Called by the stream-in operators and derived classes
Parameters:
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
TOrphanLinkCommand & operator =(const TOrphanLinkCommand &)
Interface Category:
API.
Purpose:
Assignment operator.
Calling Context:
Called when an object is assigned to another compatible object.
Parameters:
Return Value:
Returns a const reference to the left-hand side object.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
virtual ~ TOrphanLinkCommand ()
Interface Category:
API.
Purpose:
Destructor.
Calling Context:
Called to destroy an object.
Parameters:
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
virtual TStream & operator >>=(TStream &) const
Interface Category:
API.
Purpose:
Stream-out operator.
Calling Context:
Called to stream out data.
Parameters:
- TStream & -The stream to which the object streams itself out.
Return Value:
Returns a reference to the stream the object streams itself out to.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
virtual TStream & operator <<= (TStream &)
Interface Category:
API.
Purpose:
Stream-in operator.
Calling Context:
Called to stream in data.
Parameters:
- TStream & -The stream from which the object streams itself in.
Return Value:
Returns a reference to the stream the object streams itself in from.
Exceptions:
Throws a TInvalidVersionError if the version of the object on the stream is unknown to the version of the shared library installed.
Concurrency:
Not multithread safe.
Other Considerations:
None.
virtual void HandleDoBegin (TModelSelection &)
Interface Category:
API.
Purpose:
Does the command. Orphans an existing link from a model.
Calling Context:
Called only by TCommand.
Parameters:
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
This function is protected.
virtual void HandleUndo (TModelSelection &)
Interface Category:
API.
Purpose:
Undoes the command. Adopts the orphaned link back into the model.
Calling Context:
Called only by TCommandOn.
Parameters:
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
This function is protected.
virtual void HandleRedo (TModelSelection &)
Interface Category:
API.
Purpose:
Redoes the command. Same as HandleDoBegin.
Calling Context:
Called only by TCommandOn.
Parameters:
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
This function is protected.
Click the icon to mail questions or corrections about this material to Taligent personnel.
Copyright©1995 Taligent,Inc. All rights reserved.