[Qt-interest] Problem in creating a view

[Arnold Krille]

On Friday 13 February 2009 11:52:21 Sujan Dasmahapatra wrote:
> When I am trying to create a mdi application and in the newFile slot I
> create a QGraphicsView but when I execute the program the view is
> appearing and instantly going off......what could be the problem...???

To be able to do anything more then guessing a bit of code or at least a bit 
more explanation would be nice.

My guesses:
1) You quit the app as soon as it starts:-)
2) Your app crashes as soon as it starts:-) :-)
3) You create the view on the stack (or was it the heap, I can't remember) by 
something like "QGraphicsView v( this );" which deletes the view as soon as 
the variable goes out of scope (which would be the end of the function. Create 
it with "QGraphicsView* v = new QGraphicsView( this );" and it lives as long 
as you don't delete it or its parent widget.

Have fun,

Arnold
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: This is a digitally signed message part.
Url : http://lists.qt-project.org/pipermail/qt-interest-old/attachments/20090213/c9566905/attachment.bin