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(SST) ShlWAPIFunctionInfo Version 1.0 |
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Developer Reference |
Determines if the last edit operation in the edit field of the combo box can be undone. |
Scope |
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Protected (i.e. the method can only be called/accessed from code in a descendant class or the unit it which it is implemented). |
Syntax | |
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Function RetCanUndo() : BOOLEAN; |
Parameters | |
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None |
Return Values |
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Returns TRUE (= 1) if the last edit operation can be undone, FALSE (= 0) if not. |
Remarks |
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The returned boolean value is also available in the form of property CanUndo, and reading the property should be preferred to calling the RetCanUndo function directly. |
The function does not invoke any Delphi SDK procedures, functions, or methods. |
Requirements | |
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Unit | (Declared and implemented in) SSTNewUnit.pas |
Library | SSTNewUnit.dcu/SSTNewUnit.obj |
Unicode | Implemented as ANSI version only. |
See Also |
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TSSTAdvancedComboBox, ClearEditText, ClearUndo, CopyEditText, CutEditText, PasteEditText, RemoveSelection, Undo, CanUndo. |
Windows APIs: SendMessage, EM_CANUNDO, GetLastError. |
Document/Contents version 1.00 Page/URI last updated on April 28, 2022 |
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