private void gestiónDeCursosDictadosToolStripMenuItem_Click(object sender, EventArgs e)
{
if (frmcoursehistory == null)
{
frmcoursehistory = new frmCourseHistoryManager();
frmcoursehistory.FormClosing += fManage_Closingfrm;
frmcoursehistory.MdiParent = this;
cambiarEstado(State.Modify);
}
frmcoursehistory.Visible = true;
}
public void fManage_Closingfrm(object sender, FormClosingEventArgs e)
{
frmcourse = null;
frmcoursehistory = null;
frmprofessor = null;
frmstudentconsult = null;
frmstudent = null;
frminterns = null;
frmweekavailability = null;
frmpw = null;
cambiarEstado(State.New);
}