SpinButton.addOnChangeValue

The ::change-value signal is a [keybinding signal]GtkBindingSignal which gets emitted when the user initiates a value change.

Applications should not connect to it, but may emit it with g_signal_emit_by_name() if they need to control the cursor programmatically.

The default bindings for this signal are Up/Down and PageUp and/PageDown.

class SpinButton
addOnChangeValue

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