public OPMToolStripDropDownMenuItem(OPMToolStripDropDownButton button) : base() { }
public OPMToolStripDropDownMenuItem(OPMToolStripDropDownButton button) : base() { }
public OPMToolStripDropDownMenuItem(OPMToolStripDropDownButton button) : base() { }
public OPMToolStripDropDownMenuItem(OPMToolStripDropDownButton button) : base() { }