In RadASM.ini you can specify this section:

[Open]
1=.bmp.,MSPAINT.EXE
2=.doc.rtf.,WORDPAD.EXE

If you open a file with extention .bmp, MSPAINT will show the bitmap.
You can also add the bitmap to your project and a dbl click in Project Browser will open MSPAINT.

The form is:

x=.Ext1.Ext2.Ext3.,ProgramToLaunch

KetilO
