Im trying to make a text field with more lines

why doesnt this work? well actually it works but not how i want it to...

it only works once. Only when i clicked the button to insert the text. i can go one line back not more..when i press enter/return after going back to previous line the inkey is set off.

Code:

---

starter next_line
{
	while(1)
	{
		if(key_lastpressed == 28 && line_num < 14) //28 = return,enter
		{
			beep;
			inkey_active = off;
			line_num += 1;
			wait(1);
			inkey(test_txt.string[line_num]);
		}
		wait(1);
	}
}

starter vorige_regel
{
	while(1)
	{
		if(key_lastpressed == 14 && str_cmpi(test_txt.string[line_num],"") == 1 && line_num > 0) //14 = bksp
		{
			beep;
			inkey_active = off;
			line_num -= 1;
			wait(1);
			inkey(test_txt.string[line_num]);
			key_lastpressed = 15;
		}			
		wait(1);
	}
}   

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Are there not a var or array and text object missing from this sample?

there is a string

and a text define ...it all works..with more lines etc. but the backspace just doesnt work ..(only works once)

What my goal is, is to learn how to create a multiline textfield inside gamestudio with c-script.

I tryed a lot of different approaches but until now none of them worked correctly. If anyone has an idea how to do this please reply.

one thing that strikes me is the line that says key_lastpressed = 15;. key_lastpressed is read-only, so that may be giving you some problems. But maybe not.

Otherwise, I'm a big promoter of the breakpoint function. It's a great tool for debugging and figuring out what the heck is going on in your script, and it's led me weeping to my knees with the solution to a week-long bug hunt (kidding, but seriously). Just for now, I'd replace the beep; lines in both of your functions with breakpoint;. See what magic the debugger can perform for you.

Yeah i tryed that and it is read-only maybe but its no problem redefining it in the game. I did that to quit the while loop and only execute the instructions needed once.
Code:

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if(key_lastpressed == 14)  

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gotcha. Well did you try a breakpoint?

Well im still checking stuff out a little bit but i figured the instructions are only executes once (how i wanted it to). I dont see any mistakes/error or wrong executed code but still it doesnt act right