The Old New Thing

Strange uses for window class atoms

May 1, 2008 May 1, 2008 05/1/08

Raymond Chen

When you register a window class (with the or function), you get an back. What use is this atom? Not much. You can use this atom in many places where a window class name can be used; just convert it to a string with the macro. Let's change our scratch program to illustrate: We save the atom returned by the function and use it (...