glib-sharp Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. System.Exception Exception emitted by GError receipt from native methods. When a native method takes a GError parameter to report failures in method invocation, if the GError parameter is set after method invocation this Exception is thrown to report the error. Constructor a handle to the native GError pointer. Internal constructor. This constructor is public so that generated code in assemblies outside of glib-sharp.dll can access it, but it should not be necessary to use it from application code. Method System.Void Finalizer. Property System.String Error message. a string containing the native gerror msg.