Thank you, looks like I have a lot of reading to do, but just skimming over it I didn't see any mention of whether Inkscape extensions/plugins need to use QT3/QT4/GTK 1/GTK 2/wXwidgets or whatever for forms design, that's one of the main things I wanted to know actually. Or do I have to try to manua...

ummm... are you sure you posted the right page link? I'm askng because the link you posted as possibly being able to help me points to the animated welcome .gif image you have in the top of your message.

I'm hoping to write a batch conversion extension/plugin for Inkscape, I want it to have a form with several 'radio buttons' to choose input file type and output file type along with some checkboxes for options and a couple of numeric entry fields with up/down arrows to increase/decrease the number i...