Can I change the windows icon from command line?

[Thomas Wolff]

Am 02.11.2017 um 03:39 schrieb Brian Inglis:
> On 2017-11-01 15:10, Thomas Wolff wrote:
>> Am 01.11.2017 um 22:05 schrieb bzs@theworld.com:
>>> A trivial little shell script I use for setting xterm title/icon via escape
>>> sequences:
>>> ...
>> That sequence is setting the icon *label*, not the icon. Mintty cannot support
>> it because there is no corresponding Windows function.
> But there is a sequence of Windows functions from:
>
> 	http://www.cplusplus.com/forum/general/28470/
>
> summarizing (but this is from 2010 so may need tweaks):
>
> "There are two icons in the window, 32x32 and 16x16.
> If you want to change the the icon at the task bar and title bar you should do:
>
> 	hIcon = (HICON)LoadImage(NULL, "menu_two.ico", IMAGE_ICON, 32, 32,
> LR_LOADFROMFILE);
> 	hIconSm = (HICON)LoadImage(NULL, "menu_two.ico", IMAGE_ICON, 16, 16,
> LR_LOADFROMFILE);
>
> LoadImage just loads the icon from the file. You need to assign the icon to the
> window. You do this by sending a WM_SETICON message:
>
> 	SendMessage( yourwnd, WM_SETICON, ICON_SMALL, (LPARAM)hIconSm );
> 	SendMessage( yourwnd, WM_SETICON, ICON_BIG, (LPARAM)hIcon );
>
> Reference: http://msdn.microsoft.com/en-us/library/ms632643(VS.85).aspx
>
> I found out the difference with the ICON_SMALL and ICON_BIG, if you only set
> ICON_SMALL then the Alt-Tab icon is stretched and looks bad.
> If you set the ICON_BIG as well as ICON_SMALL, then everything looks nice."
>
> For Xwindow icons, some approaches from google, depending on needs:
>
> http://www.ideatrash.net/2014/10/howto-get-custom-icons-with-each-new.html
> http://www.troubleshooters.com/linux/terminal_icon.htm
> http://blog.samadamday.com/2014/automatically-set-windows-icons-based-on-gnome-theme/
> https://superuser.com/questions/344320/how-do-i-change-the-icon-of-an-xterm
> http://www.leonerd.org.uk/code/xseticon/
Thanks, Brian, for the links and the sample code which will make it easier.
This is about changing the icon, to get that sorted out.
I referred to changing the icon label (an existing sequence supported by 
xterm), i.e. the text shown in the taskbar, which cannot be changed in 
Windows as far as I know as it's always the same as the window title.
Thomas

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