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Editing action used to Undo the previous change to the value for the specified control.
Source position: stdactns.pas line 76
type TEditUndo = class(TEditAction) |
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public |
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procedure ExecuteTarget(); override; |
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Executes the action for the specified target control. |
procedure UpdateTarget(); override; |
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Updates the enabled state for the action. |
end; |
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Editing action used to Undo the previous change to the value for the specified control. |
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The base class for standard editing actions applied to an edit control. |
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TAction is the basic action object used in the LCL. |
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TCustomAction is the ancestor class for TAction. |
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Implements an Action class which has a category and parent action list. |
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TEditUndo is a TEditAction descendant which reverses the previous change to the value for the specified TCustomEdit control. It re-implements the UpdateTarget and ExecuteTarget methods to use the TCustomEdit type for the affected control.
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The base class for standard editing actions applied to an edit control. |
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The base class for controls presenting editable text. |
| Version 3.2 | Generated 2024-02-25 | Home |