private void subStudentList_Click(object sender, EventArgs e)
{
bool bl = FormCheck(typeof(StudentListForm).Name);
if (!bl) //如果窗体没打开,则创建新窗体，同一窗体只允许打开单个
{
StudentListForm studentListForm = new StudentListForm();
studentListForm.MdiParent = this;
studentListForm.Show();
}
}
private void studentListToolStripMenuItem_Click(object sender, EventArgs e)
{
StudentListForm studentListForm = new StudentListForm();
studentListForm.Show();
}
private void StudentButtom_Click(object sender, EventArgs e)
{
var form = new StudentListForm();
form.Show(this);
}
