public static BodySelfTest2 createForm()
{
if (instance == null || instance.IsDisposed)
{
instance = new BodySelfTest2();
}
return instance;
}
private void button1_Click(object sender, EventArgs e)
{
object categoryValue = topicCategory.SelectedValue;
if ((string)categoryValue == "")
{
MessageBox.Show("请选择种类!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
else if (txtExamName.Text == "")
{
MessageBox.Show("自我测试标题不能为空!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
else
{
mainFrame.panel6.Controls.Clear();
BodySelfTest2 self2 = new BodySelfTest2();
self2.TopLevel = false;
self2.self = this;
self2.FormBorderStyle = FormBorderStyle.None;
self2.Dock = System.Windows.Forms.DockStyle.Fill;
mainFrame.panel6.Controls.Add(self2);
self2.Show();
}
}