我用QTreeWidget建立了一树形窗口，现在我想在当鼠标点击各个标题时弹出一对话框，但运行时总是提示：
Object::connect: No such signal treewidget::itemClicked(QTreeWidgetItem*item,int column)
类定义如下
#include <QTreeWidget>
#include <QTreeWidgetItem>
class treeWidget:public QTreeWidget
{
Q_OBJECT
public:
treeWidget(QTreeWidget* parent = 0);
private:
void additem();
QTreeWidgetItem *creatWindowItem;
public slots:
void creatWindow();
};
信号槽连接
connect(this,SIGNAL(itemClicked(QTreeWidgetItem*item,int column)),this,SLOT(creatWindow()));
