Warning 1 warning LNK4098: defaultlib 'libcmt.lib' conflicts with use of other libs; use /NODEFAULTLIB:library MSVCRT.lib
Error 2 error LNK2019: unresolved external symbol "public: static struct QMetaObject const BotonesDialogo::staticMetaObject" (?staticMetaObject@BotonesDialogo@@2UQMetaObject@@ B) referenced in function "public: static class QString __cdecl BotonesDialogo::tr(char const *,char const *)" (?tr@BotonesDialogo@@SA?AVQString@@PBD0@Z) BotonesDialogo.obj
Error 3 error LNK2019: unresolved external symbol "protected: void __thiscall BotonesDialogo::accepted(void)" (?accepted@BotonesDialogo@@IAEXXZ) referenced in function "public: void __thiscall BotonesDialogo::accept(void)" (?accept@BotonesDialogo@@QAEXXZ) BotonesDialogo.obj
Error 4 error LNK2019: unresolved external symbol "protected: void __thiscall BotonesDialogo::canceled(void)" (?canceled@BotonesDialogo@@IAEXXZ) referenced in function "public: void __thiscall BotonesDialogo::cancel(void)" (?cancel@BotonesDialogo@@QAEXXZ) BotonesDialogo.obj
Error 5 error LNK2001: unresolved external symbol "public: virtual struct QMetaObject const * __thiscall BotonesDialogo::metaObject(void)const " (?metaObject@BotonesDialogo@@UBEPBUQMetaObject@@XZ ) BotonesDialogo.obj
Error 6 error LNK2001: unresolved external symbol "public: virtual void * __thiscall BotonesDialogo::qt_metacast(char const *)" (?qt_metacast@BotonesDialogo@@UAEPAXPBD@Z) BotonesDialogo.obj
Error 7 error LNK2001: unresolved external symbol "public: virtual int __thiscall BotonesDialogo::qt_metacall(enum QMetaObject::Call,int,void * *)" (?qt_metacall@BotonesDialogo@@UAEHW4Call@QMetaObje ct@@HPAPAX@Z) BotonesDialogo.obj
Error 8 fatal error LNK1120: 6 unresolved externals c:\Chus\QT\Widgets\BotonesDialogo\release\BotonesD ialogo.exe 1
It occours only when I try to use 'emit' word, thanks

The code:

BotonesDialogo.cpp:
Qt Code: 
  1. #include "BotonesDialogo.h"
  2.  
  3. #include <QHBoxLayout>
  4. #include <QPushButton>
  5.  
  6. BotonesDialogo::BotonesDialogo(QWidget *parent):QWidget(parent){
  7. 	QPushButton *accept=new QPushButton;
  8. 	accept->setText(tr("&Aceptar"));
  9. 	QPushButton *cancel=new QPushButton;
  10. 	cancel->setText(tr("&Cancelar"));
  11.  
  12. 	connect(accept,SIGNAL(clicked()),this,SLOT(accept()));
  13. 	connect(cancel,SIGNAL(clicked()),this,SLOT(cancel()));
  14.  
  15. 	QHBoxLayout *hLayout=new QHBoxLayout;
  16. 	hLayout->setAlignment(Qt::AlignRight | Qt::AlignBottom);
  17. 	hLayout->addWidget(accept);
  18. 	hLayout->addWidget(cancel);
  19. 	setLayout(hLayout);
  20. }
  21.  
  22. void BotonesDialogo::accept(){
  23. 	emit accepted();	
  24. }
  25.  
  26. void BotonesDialogo::cancel(){
  27. 	emit canceled();
  28. }
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BotonesDialogo.h:
Qt Code: 
  1. #ifndef __BOTONESDIALOGO_H_
  2. #define __BOTONESDIALOGO_H_
  3.  
  4. #include <QWidget>
  5.  
  6. class BotonesDialogo:public QWidget{
  7. 	Q_OBJECT
  8.  
  9. 	public:
  10. 		BotonesDialogo(QWidget *parent=0);
  11. 	public slots:
  12. 		void accept();
  13. 		void cancel();
  14. 	signals:
  15. 		void accepted();
  16. 		void canceled();
  17. };
  18.  
  19. #endif
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main.cpp:
Qt Code: 
  1. #include <QApplication>
  2. #include "BotonesDialogo.h"
  3.  
  4. int main(int argc,char *argv[]){
  5. 	QApplication app(argc,argv);
  6.  
  7. 	BotonesDialogo prueba;
  8. 	prueba.show();
  9.  
  10. 	return app.exec();
  11. }
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Thank's