public void OpenForm2()
{
if (_form02 == null)
{
_form02 = new Form02();
_form02.MdiParent = this;
_form02.FormClosed += new FormClosedEventHandler(form02_FormClosed);
_form02.Show();
}
else
{
_form02.Activate();
}
}
private void form02ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (_form02 == null)
{
_form02 = new Form02();
_form02.MdiParent = this;
_form02.FormClosed += new FormClosedEventHandler(form02_FormClosed);
_form02.Show();
}
else
{
_form02.Activate();
}
}
private void btnOpenForm2_Click(object sender, EventArgs e)
{
if (_form02 == null)
{
_form02 = new Form02();
_form02.MdiParent = _mdiParentForm;
_form02.FormClosed += new FormClosedEventHandler(form02_FormClosed);
_form02.Show();
}
else
{
_form02.Activate();
}
}
void form02_FormClosed(object sender, FormClosedEventArgs e)
{
_form02 = null;
}
