private void InvestigationList_KeyUp(object sender, System.Windows.Input.KeyEventArgs e) { if (e.Key == Key.Enter) { if (Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift)) { // MessageBox.Show("Shift + Enter pressed"); // return true; e.Handled = true; var child = Globalized.FindChildByType <TextBox>(InvestigationList); child.Text = ""; child.Focus(); // this.btnSaveDoctor.IsDefault = false; } } }