private void countryToolStripMenuItem_Click(object sender, EventArgs e)
{
if (objCountryForm == null)
{
objCountryForm = new CountryForm();
objCountryForm.MdiParent = this;
objCountryForm.Show();
objCountryForm.FormClosing += objCountryForm_FormClosing;
}
else
{
objCountryForm.Activate();
}
}
void objCountryForm_FormClosing(object sender, FormClosingEventArgs e)
{
objCountryForm = null;
}