private void ShowNewForm(object sender, EventArgs e)
{
FrmObat_List childForm = new FrmObat_List();
childForm.MdiParent = this;
childForm.Text = "Window " + childFormNumber++;
childForm.Show();
}
private void toolStripButton1_Click(object sender, EventArgs e)
{
foreach (Form form in Application.OpenForms)
{
if (form.GetType() == typeof(FrmObat_List))
{
form.Activate();
return;
}
}
Form newForm = new FrmObat_List();
newForm.WindowState = FormWindowState.Maximized;
newForm.MdiParent = this;
newForm.Show();
}