private void textBox1_MouseUp(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Left) { if (textBox1.SelectedText.Length > 0) { var text = textBox1.SelectedText; text = ComediaHelper.TrimUnecessaryCharacters(text); textBoxKey.Text = text; if (_formViewTable.Visible) { _formViewTable.SearchKey = text; } if (formNoteAdd.Visible) { var booknum = int.Parse(textBoxBook.Text); var cantonum = int.Parse(textBoxCanto.Text); var linenum = textBox1.GetLineFromCharIndex(textBox1.SelectionStart); int modnum = linenum / 4; var start = int.Parse(textBoxStart.Text); var pos = start + linenum - modnum; formNoteAdd.SetNoteName(text); formNoteAdd.SetLocStartEnd(booknum, cantonum, pos, pos); formNoteAdd.ResetNote(); } } } }