private void txtCmd_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { if (string.IsNullOrEmpty(txtCmd.Text)) { return; } if (txtCmd.Text == "clear") { txtOutput.Clear(); if (!txtCmd.Items.Contains(txtCmd.Text)) { txtCmd.Items.Add(txtCmd.Text); } txtCmd.Text = string.Empty; return; } DatatreeDotNet.dt_clear_command(command); DatatreeDotNet.dt_parse_command(command, OnError, txtCmd.Text); IntPtr ret = IntPtr.Zero; DatatreeDotNet.dt_query_status_t status = DatatreeDotNet.dt_query(DatatreeDotNet.dt_root_value(datatree), command, ref ret); if (status == DatatreeDotNet.dt_query_status_t.DTQ_GOT_NOTHING) { } else if (status == DatatreeDotNet.dt_query_status_t.DTQ_GOT_REF || status == DatatreeDotNet.dt_query_status_t.DTQ_GOT_NOREF) { string str = Util.FormatValue(datatree, ret, false); Message("Queried:" + Environment.NewLine + str + Environment.NewLine); if (status == DatatreeDotNet.dt_query_status_t.DTQ_GOT_NOREF) { DatatreeDotNet.dt_destroy_value(datatree, ret); } if (!txtCmd.Items.Contains(txtCmd.Text)) { txtCmd.Items.Add(txtCmd.Text); } } txtCmd.Text = string.Empty; } }