hi, I declare QImage qi as private var of mainForm in desinger; then I added #include "qimage.h" in implementation (from desinger). ti gets me error; but it work if I inserted include in declaration (from deisger) why this??? I declared others variabiles in the same way and don't get any errors......
Qt Code: 
  1. ...tor\ui\mainform.h(318): error C2079: 'MainForm::qi' uses undefined class 'QImage'
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