Hmm, I see,

Try use Shell command "printto" instead "print"
(HKEY_CLASSES_ROOT\Paint.Picture\shell\printto)

MartinJ

>>How application is associate with bmp file?
>
>I don't know. I just go to "Folder Options" in Control Panel & change the default assosiation from "Windows Fax...." to Paint.
>
>>How shell commands are the application supported?
>Where I can see this?
>In my Registry I found this:
>

>Windows Registry Editor Version 5.00
>
>[HKEY_CLASSES_ROOT\.bmp]
>@="Paint.Picture"
>"PerceivedType"="image"
>"Content Type"="image/bmp"
>
>[HKEY_CLASSES_ROOT\.bmp\OpenWithList]
>
>[HKEY_CLASSES_ROOT\.bmp\OpenWithList\MSPaint.exe]
>@=""
>
>[HKEY_CLASSES_ROOT\.bmp\OpenWithList\ois.exe]
>@=""
>
>[HKEY_CLASSES_ROOT\.bmp\OpenWithProgids]
>"Paint.Picture"=hex(0):
>
>[HKEY_CLASSES_ROOT\.bmp\PersistentHandler]
>@="{098f2470-bae0-11cd-b579-08002b30bfeb}"
>
>[HKEY_CLASSES_ROOT\.bmp\ShellNew]
>"NullFile"=""
>
>