Syntax
| Visual Basic (Declaration) | |
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Public MustOverride Sub Undo() |
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| Visual Basic (Usage) |  Copy Code
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Dim instance As UndoEvent instance.Undo() |
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| C# | |
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public abstract void Undo() |
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| C++/CLI | |
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public: abstract void Undo(); |
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Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2