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Content-type: text/plain
Hello everybody. Good evening to all.
I have been working hard on my project and it is going ok (in a big part,
thanks to many of you), but I still have a couple of doubts in my mind. Can
anybody help me, please?. My questions are the following:
1.
How could I change the background color of a view?. I' ve tried changing the
"Ports. background" variable but, doing that, I changed the background of
all the opened views. I don't really want that. I only want to change the
color of the view were I am drawing my figures.
2.
Is there any color who is "transparent"?. I have tried the "Views.
transparent", but it really didn't worked very well. When I draw a figure as
"transparent" it apeared black (while the containing view had a white
background). I'd like to be able to draw a figure with the same colour as
the background, like an "erasing". Is that possible?.
Thank you in advance, HECTOR.
PS: To Renée Dorta, de la universidad de Carabobo.
(I'm going to try to answer a mail. Incredible!!!).
I agree with you that a v.Close() method would be useful sometimes, but...
What
if you close an embedded view?. I mean: Now I am pasting views (well...
controls, really) in an empty form. It wouldn't be a great idea to close
that control during the execution, don't you think?.
A friend of me had the same problem than you while he was doing his project.
He decided to keep a list of the views he had opened and the window that
contained them. When you open a view with the StdCmds. Open() command, you
can "catch" the window that contains your view, pointing to it with a
"Windows. Window" object. You will see that each window has a Close()
extensible method. I mean, you can do something like:
MyWindow = POINTER TO RECORD;
view: Views. View;
windowContaning: Windows. Window;
next: MyWindow;
END;
And when you want to close it, you only have to make something like this:
"
PROCEDURE(e: Estructure) SearchView (v: Views. View): MyWindow"
[ . . . ]
PROCEDURE Test*;
VAR
res: MyWindow;
BEGIN
res := estruct. SearchView (viewToSearch);
res. windowContaining. Close();
estruct. Delete (res);
END Test
"
I hope I have helped in something.
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Received on Wed Mar 19 2003 - 19:50:26 UTC