El 3/11/18 a les 21:20, James ha escrit:
I’ve been tinkering with Lazarus, and I managed to get a form with some
buttons based on the examples, and I did make one button open the
save-as box… but I’m clueless on how to make the save-as box only come
up when needed and by a programming command, not because someone pushed
a button. I still can’t figure out how to write my writeln’s into a
text box of some sort. I get the idea… instead of a sequential
program the executes from beginning to end, everything kind of all
happens at the same time
Try this:
-put a memo on the form (say, memo1) and a save dialog.
-in the object inspector double click on the OnCreate event of the form.
-this will create a FormCreate method. Put your code there (including
the opening of the save dialog if needed).
-in your code show diagnostics messages in the memo
(mem1.lines.add('whatever'))
-at the end of your code, if everything is OK, add
Application.ShowMainForm:=false;
Application.Terminate;
This way, if there are no errors the form won't show, otherwise it will
show whatever you put in the memo.
Tip: if your code will take a significant amount of time put at the
beginning
Screen.Cursor:=crHourGlass;
and at the end
Screen.Cursor:=crDefault;
Bye
--
Luca
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