private void manageToolStripMenuItem_Click(object sender, EventArgs e)
 {
     ViewReceiversForm frm = new ViewReceiversForm(null,null,null);
     frm.Show();
 }
 private void button3_Click(object sender, EventArgs e)
 {
     ViewReceiversForm frm = new ViewReceiversForm((group,query)=>{
         job.group = group;
         job.query = query;
         recieverstextBox.Text = "group=" + group + ";" + query;
     }, job.group, job.query);
     frm.ShowDialog();
 }