getting out of AppActivate

I'm experimenting with a program 'proj' which has some buttons on it as well as a textbox and a submit button. I want to automate all mousemovements/clicks and entering/submitting text.

First I do some mousemovements and clicks in the program (proj) which works fine Then I need to fill in some text in the textbox.. therefor I tried using

Quote:

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SendKeys.Send("test")

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but only that line didn't work.

When I used:

Quote:

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AppActivate("proj")
SendKeys.Send("test")

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it worked, but I need to do some mousemovements after that coding and the mousemovements/clicks don't work anymore and the focus still lays at the textbox. I don't know how to get the control over the mouse back again.

I've looked at sendmessage as well, but I didn't understand that very well.
Can somebody tell me how to alter my coding or show me an example (as short as possible) how to this with sendmessage? Thanks

to use sendmessage, you first have to get the handle to the textbox/edit field you want to insert text in. if you want to change the focus back to your program, you could use appactivate again