Byzi - Tk busy command implementation

Directions to find it at [Stu]

Byzi Version 0.1, Spring 2012.
    * Initial release.

The Byzi extension for Tk provides a simple means to
block keyboard, button and pointer events from Tk widgets, while
overriding the widget's cursor with a configurable busy cursor.

The Byzi extension is based on the Tk 8.6 busy command sources.

2012/05/04 [Stu] Created this page.
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See also: [busy] [tkbusy] [blt]
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