Hi Nitesh,
Check that you have:
#include "ui_textfinder.h"
at the top of textfinder.cpp. Normally QtCreator will have put this
declaration there for you.
When QtCreator generates your textfinder.h it will put
namespace Ui {
class TextFinder;
};
at the top - this just forward declares Ui::TextFinder - it will show
up as an undefined type until the header is included.
If the #include is present, then check that you named the class in
your ui form correctly - it is case sensitive and should be exactly
"TextFinder" in the first line of the property sheet.
Hope that helps,
Sarah Smith
On 27/07/2009, at 4:07 AM, ext Nitesh wrote:
I am new to Qt. I was trying around Qt Creator. I did exactly what
its been wriiten here
http://doc.qtsoftware.com/qtcreator-1.2/creator-writing-program.html
but when I try to build it . I get this error. This is the first
error. I don't seem to find a solution.
C:/qtprojects/TextFinder/textfinder.cpp:9: error: invalid use of
undefined type `struct Ui::TextFinder'
Why is it showing error?
Thanks in advance for your help.
Nitesh
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