public static Dynamic_Form InstanceObject()
{
if (_instance == null)
_instance = new Dynamic_Form();
return _instance;
}
private void 数据显示ToolStripMenuItem_Click(object sender, EventArgs e)
{
df = Dynamic_Form.InstanceObject();
df.Focus();
df.Show();
}
private void Dynamic_Form_FormClosing(object sender, FormClosingEventArgs e)
{
_instance = null;
}
private void toolStripButton4_Click(object sender, EventArgs e)
{
df = Dynamic_Form.InstanceObject();
df.Focus();
df.Show();
}