public FindNextResult FindNext(FindNextSearch search)
{
FindNextResult result = new FindNextResult();
int position = -1;
StringComparison s = search.MatchCase ? StringComparison.CurrentCulture :
StringComparison.CurrentCultureIgnoreCase;
if (search.Direction == "UP")
{
position = search.Content.Substring(0, search.Position)
.LastIndexOf(search.SearchString, s);
search.Success = position >= 0 ? true : false;
result.SearchStatus = search.Success;
}
else
{
int start = search.Success ? search.Position + search.SearchString.Length :
search.Position;
position = start + search.Content
.Substring(start, search.Content.Length - start)
.IndexOf(search.SearchString, s);
search.Success = position - start >= 0 ? true : false;
result.SearchStatus = search.Success;
}
result.SelectionStart = result.SearchStatus ? position : -1;
return(result);
}
private void btnFind_Click(object sender, EventArgs e)
{
UpdateSearchQuery();
FindNextResult result = editOpertion.FindNext(this.Qry);
if (result.SearchStatus)
{
this.Editor.Select(result.SelectionStart, txtFind.Text.Length);
}
}
private void findnextEditMenu_Click(object sender, EventArgs e)
{
formFind.UpdateSearchQuery();
if (formFind.Qry.SearchString.Length == 0)
{
formFind.Show();
}
else
{
FindNextResult result = editOperation.FindNext(formFind.Qry);
if (result.SearchStatus)
{
txtArea.Select(result.SelectionStart, formFind.Qry.SearchString.Length);
}
}
}