Null check
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@ -112,7 +112,7 @@ namespace GLib {
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try {
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GCHandle gch = (GCHandle) data;
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ToggleRef tref = (ToggleRef)gch.Target;
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tref.Toggle (is_last_ref);
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tref?.Toggle (is_last_ref);
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} catch (Exception e) {
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ExceptionManager.RaiseUnhandledException (e, false);
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}
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