nosklo

Callback for closing the main window that allows cancelling

2

**Is your feature request related to a problem? Please describe.** Users expects something like "Do you really want to quit without saving?" before their work is lost with a misclick....

`Cursor.cancel()` method

4

Can you please add support for `Cursor.cancel()`? pyodbc supports it https://github.com/mkleehammer/pyodbc/blob/45395fe723b837e836643897ff3df57034c05b22/src/cursor.cpp#L2034

So that people arriving here can know what this is about

Remove useless comparison that tests if uint variable is < 0.