| Description | uses | Classes, Interfaces, Objects and Records | Functions and Procedures | Types | Constants | Variables |
UndoItemsScreenObjects is used to define a series of TCustomUndos that relate to TScreenObjects.
The ones defined are TUndoCreateScreenObject, TUndoDeleteScreenObjects, TUndoMoveScreenObject, TUndoInsertPoint, TCustomUndoChangeOrder, TUndoToFront, TUndoToBack, TUndoMoveUp, TUndoMoveDown, and TUndoRearrangeScreenObjects.
| Name | Description |
|---|---|
Class TUndoCreateScreenObject |
TUndoCreateScreenObject is used to undo or redo the creation of a TScreenObject. |
Class TUndoDeleteScreenObjects |
TUndoDeleteScreenObjects is used to undo or redo the deletion of a one or more TScreenObjects. |
Class TUndoMoveScreenObject |
TUndoMoveScreenObject moves one or more TScreenObjects or points within them. |
Class TUndoInsertPoint |
TUndoInsertPoint inserts a point into a TScreenObject. |
Class TCustomUndoChangeOrder |
TCustomUndoChangeOrder is an abstract base class for classes that change the order of TScreenObjects. |
Class TUndoToFront |
TUndoToFront moves the selected TScreenObjects to the end of the list of TScreenObjects. |
Class TUndoToBack |
TUndoToBack moves the selected TScreenObjects to the beginning of the list of TScreenObjects. |
Class TUndoMoveUp |
TUndoMoveUp moves the selected TScreenObjects toward the end of the list of TScreenObjects by one position. |
Class TUndoMoveDown |
TUndoMoveDown moves the selected TScreenObjects toward the beginning of the list of TScreenObjects by one position. |
Class TUndoRearrangeScreenObjects |
TUndoRearrangeScreenObjects is used to change the order of TScreenObjects and to rename them. |