The Old New Thing

Who sends the initial WM_UPDATEUISTATE message?

May 17, 2013 May 17, 2013 05/17/13

Raymond Chen

Last time, we looked at the confusingly-named WM_UPDATE­UI­STATE and WM_CHANGE­UI­STATE messages. But how does the whole indicator thingie get off the ground? The default state for a window is to show all indicators. But as a special trick, the dialog manager will send a WM_UPDATE­UI­STATE message with ...