Re: [Mingw-users] [Win32 API] Do we need ico files ?

[Earnie B. <ear...@ya...>]

> Alex Vinokur wrote:
> 
> ================================================================
> Windows 2000 Professional
> MinGW 2.0.0-2
> GNU gcc version 3.2 (mingw special 20020817-1)
> GNU windres 2.13
> GNU Make version 3.79.1, by Richard Stallman and Roland McGrath.
> ================================================================
> 
> Here is a (partial changed) example
>   from Version 2.0 of theForger's Win32 API Tutorial
>   http://www.winprog.org/tutorial/
> 
> I have removed/commented out the following line
>   IDI_MYICON ICON "menu_one.ico"
>   in menu_one.rc file.
> 
> However, menu_one.exe keeps on working OK.
> 

Windows voodoo.

> So,
>   1. Why does menu_one.exe keep on working OK without ico-file?

The Win32 OS semantics stores the icon image in some cache file.  If you
move menu_one.exe without icon to some platform that hasn't even seen it
you won't see any icon for the menu item.

>   2. What is the ico-file's role ?

To display pretty pictures.

>   3. Must/should we use ico-file or not ?

Depends on your need.

>   4. Who creates ico-file ?

Someone with an icon editor.

>   5. Does usage of ico-file depend on compiler (on something else) ?

It depends on you.

Earnie.