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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. |
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Document/Contents version 1.00 Page/URI last updated on April 28, 2022 |
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