Using the Qt5 connecy syntax

[bnosam]

When I try to use the newer syntax:

connect(ui->actionOpen_Script, &QAction::triggered(), OpenScript);

connect(ui->actionOpen_Script, &QAction::triggered(), OpenScript);

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or

connect(ui->actionOpen_Script, &QAction::triggered(), &MainWindow::OpenScript);

connect(ui->actionOpen_Script, &QAction::triggered(), &MainWindow::OpenScript);

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I get errors:

error: C2352: 'QAction::triggered' : illegal call of non-static member function

error: C2352: 'QAction::triggered' : illegal call of non-static member function

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What's going on?