The Microsoft Windows API provides a set of functions that are generally supported on both 32 and 64-bit Windows.

Documentation  edit

API INdex

The official reference

Description  edit

Originally called the Win32 API, the name Windows API its roots in 16-bit Windows and its current support of 32 and 64-bit Windows.

Tk and Tcl use the Win32 API to access OS functions and draw on the screen.

[elaborate on how it can be used for many other purposes and how Tcl uses it]

See Also  edit

How Tcl accesses the Win32 API

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