Dmitry Kazennov

> To confirm - are _controls_ leaking memory, or their _AO_ implementations? There are problems both with Controls and Accessible objects. This issue is to investigate the whole problem and...

* [ ] **Button control:**  * [ ] **CheckBox control:**  * [ ] **DataGridView control:**  * [ ] **ListView:**  * [ ] **RichTextBox:**  * [...

TabPage leaks when tested with Narrator: 

I tested the Button control class in a standalone application without buttons to switch between forms (checkboxes are being used instead). If there are no buttons in the application (only...

Retested controls - found no leaks: - ListView - RichTextBox - MaskedTextBox * [ ] **ListView:**  * [ ] **RichTextBox:**  * [ ] **MaskedTextBox:** 

Retesting during development (with ToolStripForm from main WinformsContolsTest application).  Test results with the Narrator. 

It appears that RestoreFocusMessageFilter holds ToolStrip and ToolStripAccessibleObject in memory. 

Have found a simple way to leave no accessible objects or corresponding control class objects in the Heap. Result with the Inspect:  Result with the Narrator:  **UPD:** It...

Retested the fix:  Inconsistent with CIT. Rebuilded the release dll's and requested retest on more time.

> @dkazennov Do we need to reactivate this issue? Yes I believe we need to reactivate this issue.