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The selectionChanged signal passes the QgsMapLayer that had a selection change So, your slot should look like selectedChanged If

If called outside of a slot activated by a signal, -1 is returned Python PyQt-SpinBox · Python-gui · Python-PyQt Practice Tags : python  Up Next 19 PyQt5 QCheckBox Python GUI Programming With PyQt5 7:11; Now Playing Up Next PyQt5 QDial Example With valueChanged Signal #20 6:41

nr349 lottery result Each PyQt widget, which is derived from QObject class, is designed to emit 'signal' in response to one or more events The signal on its own does not perform Has anyone had success connecting the signal to a slot on a Python extension? When I try to connect to a bare method,