-Documentation can be found at http://www.purl.org/tcl/home/man/tcl8.4/TkCmd/bitmap.htm . A bitmap is monochromatic representation . Use [photo] when you want color images or icons (aka a [pixmap]). ---- "[How to edit an executable's desktop icon]" ---- Sometimes people want to know how to edit an X bitmap or to create a new one. See [Paul Obermeier]'s http://www.posoft.de/ 's poBitmap, part of [poSoft utilities] for one tool. [KPV] See [Bitmap Editor] for a simple tool to create and edit bitmaps. ---- Another [Tk]-pertinent sense of "bitmap" is as a permissible argument to specific [canvas] subcommands. A model of such uses is .canvas itemconfig rectangle -stipple $bitmap While Tk offers many interesting bitmap capabilities, it can be difficult tracking down their documentation. A good starting point is the distribution man page for the library entry point Tk_GetBitmap [http://www.tcl.tk/man/tcl8.4/TkLib/GetBitmap.htm]. Along with much else, it provides a list--"error", "gray50", "question", and so on--of standard bitmaps built in to Tk. Apparently Tk provides no script-level [introspection] to access this list. To see these built-ins, therefore, it's necessary to perform something like ---- [Tk syntax help] - [Arts and crafts of Tcl-Tk programming] [[ [Category Command] | [Category Graphics] | ]]