// The handler when attempting to start another instance of this application
// We can customize the logic here for which form to activate in different
// conditions. Like in this sample, we will be selectively activate the LoginForm
// or MainForm based on the login state of the user.
private static void StartNewInstance(object sender, StartupNextInstanceEventArgs e)
{
FormCollection forms = Application.OpenForms;
if (forms["LoginForm"] != null)
{
forms["MainForm"].Hide();
forms["LoginForm"].Activate();
}
else if (forms["LoginForm"] == null && GlobleData.IsUserLoggedIn == false)
{
MessageBox.Show("22");
LoginForm f = new LoginForm();
if (!(f.ShowDialog() == DialogResult.OK))
{
forms["MainForm"].WindowState = FormWindowState.Maximized;
forms["MainForm"].Show();
}
else
{
forms["MainForm"].Close();
}
}
else if (forms["MainForm"] == null && GlobleData.IsUserLoggedIn == true)
{
MessageBox.Show("23");
LoginForm f = new LoginForm();
if (!(f.ShowDialog() == DialogResult.Cancel))
{
forms["LoginForm"].Show();
}
}
else if (forms["MainForm"] != null && GlobleData.IsUserLoggedIn == false)
{
LoginForm f = new LoginForm();
if (f.ShowDialog() == DialogResult.OK)
{
forms["MainForm"].WindowState = FormWindowState.Maximized;
forms["MainForm"].Show();
}
}
else if (forms["MainForm"] != null && GlobleData.IsUserLoggedIn == true)
{
LoginForm f = new LoginForm();
if (f.ShowDialog() == DialogResult.OK)
{
forms["MainForm"].Show();
forms["MainForm"].WindowState = FormWindowState.Maximized;
}
}
else if (forms["MainForm"] != null && GlobleData.IsUserLoggedIn == true && forms["MainForm"].WindowState == FormWindowState.Minimized)
{
MessageBox.Show("4");
LoginForm f = new LoginForm();
if (f.ShowDialog() == DialogResult.OK)
{
forms["MainForm"].WindowState = FormWindowState.Maximized;
forms["MainForm"].Show();
}
}
else if (forms["MainForm"] != null && GlobleData.IsUserLoggedIn == true && forms["MainForm"].WindowState == FormWindowState.Maximized)
{
MessageBox.Show("5");
LoginForm f = new LoginForm();
if (f.ShowDialog() == DialogResult.OK)
{
forms["MainForm"].WindowState = FormWindowState.Maximized;
forms["MainForm"].Show();
}
}
else
{
MessageBox.Show("6");
}
}