type directly on graphic object: caret ?

howdy guys,

I would need to type characters directly on a graphic object in
response to key press. I want to be able to control globally the char
and words spacing, justification, etc.

I guess I need to measure both chars and string. For that, there should
not be much problem with GDI+, using measurestring or char.

What I have problem to figure out is actually an apparently simple
thing: how to make the cursor (caret) and make it go ahead and back in
response to the key press.

Has anyone ever written some some example code of direct text writing
or is there some known sample on the net from which I could start and
possibly move on? That would be really great.

Thanks

-P

.

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