private void TraceControl_KeyDown(object sender, KeyEventArgs e)
{
var textBox = textMessage;
findtext = FindTextHandler.HandleFindKeyPress(e, textBox, findtext);
}
private void ExceptionControl_KeyDown(object sender, KeyEventArgs e)
{
var textBox = textException;
findtext = FindTextHandler.HandleFindKeyPress(e, textBox, findtext);
}
private void XmlContentDisplayDialog_KeyDown(object sender, KeyEventArgs e)
{
RichTextBox textBox = txtXML;
findtext = FindTextHandler.HandleFindKeyPress(e, textBox, findtext);
}
/// <summary>
/// Finds the next instance of the text in the stream representing a PDF
/// </summary>
/// <param name="stream">A stream with a PDF in it</param>
/// <param name="findText">The text to find</param>
/// <param name="matchCase">true if the search should match the case of the text</param>
/// <param name="wholeWord">true if only whole words should be found</param>
/// <param name="onFindText">A delegate to call when text is found</param>
/// <returns>true if the text was found, false otherwise</returns>
public bool FindNext(Stream stream, string findText, bool matchCase, bool wholeWord, FindTextHandler onFindText)
{
var findPage = _currentFindPage;
// Document objects must be disposed.
// This makes sure it happens even if there is an exception
using (var document = new PdfTextDocument(stream))
{
var found = false;
var loopedToBeginning = false;
while (!found)
{
var p = document.GetPage(findPage);
if (p.CharCount > 0)
{
using (var srchRes = p.Search(_currentFindPos, findText, matchCase, wholeWord))
{
srchRes.FindNext();
// if you found something, tell the delegate where it is
if (srchRes.HasResults)
{
onFindText(p, findPage, srchRes.StartIndex, srchRes.CharCount);
_currentFindPos = srchRes.StartIndex + 1;
_currentFindPage = findPage;
found = true;
}
// if we are back at the start page, then the text is not in the doc
else if (loopedToBeginning)
{
break;
}
// otherwise go to the next page
else
{
findPage = (findPage + 1) % document.PageCount;
_currentFindPos = 0;
if (findPage == _currentFindPage)
{
loopedToBeginning = true;
}
}
}
}
else
{
MessageBox.Show(Resources.NoTextDataMessage, Resources.TitleNoTextDataMessage);
break;
}
}
return(found);
}
}
