private void TxtSearch_KeyDown(object sender, KeyEventArgs e)
 {
     if (HotKeyManager.IsHotkey(e, Keys.Enter))
     {
         SearchManager.Find(true, false);
     }
     if (HotKeyManager.IsHotkey(e, Keys.Enter, true) || HotKeyManager.IsHotkey(e, Keys.Enter, false, true))
     {
         SearchManager.Find(false, false);
     }
 }
 private void BtnNextSearch_Click(object sender, EventArgs e)
 {
     SearchManager.Find(true, false);
 }
 private void TxtSearch_TextChanged(object sender, EventArgs e)
 {
     SearchManager.Find(true, true);
 }
 private void BtnPrevSearch_Click(object sender, EventArgs e)
 {
     SearchManager.Find(false, false);
 }