public int Find(string str, int start, int end, RichTextBoxFinds options) {
Document.Marker start_mark;
Document.Marker end_mark;
Document.Marker result;
if (start == -1) {
document.GetMarker(out start_mark, true);
} else {
Line line;
LineTag tag;
int pos;
start_mark = new Document.Marker();
document.CharIndexToLineTag(start, out line, out tag, out pos);
start_mark.line = line;
start_mark.tag = tag;
start_mark.pos = pos;
}
if (end == -1) {
document.GetMarker(out end_mark, false);
} else {
Line line;
LineTag tag;
int pos;
end_mark = new Document.Marker();
document.CharIndexToLineTag(end, out line, out tag, out pos);
end_mark.line = line;
end_mark.tag = tag;
end_mark.pos = pos;
}
if (document.Find(str, start_mark, end_mark, out result, options)) {
return document.LineTagToCharIndex(result.line, result.pos);
}
return -1;
}
public int Find(char[] characterSet, int start, int end) {
Document.Marker start_mark;
Document.Marker end_mark;
Document.Marker result;
if (start == -1) {
document.GetMarker(out start_mark, true);
} else {
Line line;
LineTag tag;
int pos;
start_mark = new Document.Marker();
document.CharIndexToLineTag(start, out line, out tag, out pos);
start_mark.line = line;
start_mark.tag = tag;
start_mark.pos = pos;
}
if (end == -1) {
document.GetMarker(out end_mark, false);
} else {
Line line;
LineTag tag;
int pos;
end_mark = new Document.Marker();
document.CharIndexToLineTag(end, out line, out tag, out pos);
end_mark.line = line;
end_mark.tag = tag;
end_mark.pos = pos;
}
if (document.FindChars(characterSet, start_mark, end_mark, out result)) {
return document.LineTagToCharIndex(result.line, result.pos);
}
return -1;
}
