Framework calls the method to notify the control when the parent window is being closed.
| [Visual Basic .NET] |
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Public Sub OnClosing() |
| [C#] |
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public void OnClosing(); |
| [Managed C++] |
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public: void OnClosing(); |
| [Unmanaged C++] |
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public: HRESULT OnClosing(); |
| [Java] |
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public void onClosing(); |





