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Textbox content in another process

I'm wondering how to get the content of a textbox or richtextbox control in ANOTHER process , given its handle.

I have made a program which seems to able to get the content from
simpler programs, like the textfield of notepad.exe and such,
but when I try other applications it doesnt work. The way
I'm currently getting the content is using the WM_GETTEXT
message with sendMessage API.

The type of textboxes which are not working are for example the
chatfields of pokerclients (pokerstars, fulltilt) and such,
and in general textboxes which look kind of costume.

I know that it is possible to read from these textboxes as well,
I have seen it be done, but I dont know how. Any ideas?
Jun 29 '07 #1
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