private void frmEmailManager_LinkClicked(object sender, NavBarLinkEventArgs e)
{
frmEmailManager frm = new frmEmailManager();
frm.MdiParent = this;
frm.Show();
}
private void btnEmail_Click(object sender, EventArgs e)
{
frmEmailManager frm = new frmEmailManager();
bool isOpen = false;
foreach (Form form in Application.OpenForms)
{
if(form.Name == "frmEmailManager")
{
isOpen = true;
form.Focus();
break;
}
}
if(!isOpen)
{
frm.MdiParent = this;
frm.Show();
}
}