Inside Macintosh: Macintosh Toolbox Essentials /

Chapter 4 - Window Manager / Window Manager Reference

Window Manager Routines / Low-Level Routines

SaveOld

The Window Manager uses the SaveOld procedure to save a window's current structure and content regions preparatory to updating the window.

PROCEDURE SaveOld (window: WindowPeek);

window

A pointer to the window's complete window record.

DESCRIPTION

The SaveOld procedure saves the specified window's current structure region and content region for the DrawNew procedure. Each call to SaveOld must be balanced
by a subsequent call to DrawNew.