public static void Find1(string strRegex, bool isRegex, bool caseSensive,
System.Windows.Forms.TextBox txtEdit, string ArticleName)
{
string ArticleText = txtEdit.Text;
RegexOptions regOptions;
if (caseSensive)
regOptions = RegexOptions.None;
else
regOptions = RegexOptions.IgnoreCase;
strRegex = Tools.ApplyKeyWords(ArticleName, strRegex);
if (!isRegex)
strRegex = Regex.Escape(strRegex);
if (MatchObj == null || RegexObj == null)
{
int findStart = txtEdit.SelectionStart;
RegexObj = new Regex(strRegex, regOptions);
MatchObj = RegexObj.Match(ArticleText, findStart);
txtEdit.SelectionStart = MatchObj.Index;
txtEdit.SelectionLength = MatchObj.Length;
txtEdit.Focus();
txtEdit.ScrollToCaret();
return;
}
else
{
if (MatchObj.NextMatch().Success)
{
MatchObj = MatchObj.NextMatch();
txtEdit.SelectionStart = MatchObj.Index;
txtEdit.SelectionLength = MatchObj.Length;
txtEdit.Focus();
txtEdit.ScrollToCaret();
}
else
{
txtEdit.SelectionStart = 0;
txtEdit.SelectionLength = 0;
txtEdit.Focus();
txtEdit.ScrollToCaret();
ResetFind();
}
}
}
public static void SetEditBoxSelection(System.Windows.Forms.TextBox txtEdit, int inputIndex, int inputLength)
{
if (inputIndex > 0 && inputLength > 0 && (inputIndex + inputLength) < txtEdit.TextLength)
{
txtEdit.SelectionStart = inputIndex;
txtEdit.SelectionLength = inputLength;
}
txtEdit.ScrollToCaret();
}
void AppendRichText(System.Windows.Forms.RichTextBox ctl, String str)
{
if (ctl.InvokeRequired)
{
this.Invoke(new Action<string>(ctl.AppendText), new object[] { str });
}
else
{
ctl.AppendText(str);
ctl.ScrollToCaret(); //Scrolls the contents of the control to the current caret position
ctl.Refresh();
}
}
/// <summary>
/// Scrolls the given RTF box to the end.
/// </summary>
/// <param name="RichTextbox"></param>
/// <remarks>
/// The DLL call GetScrollRange returns only a 16 bit int - value maxes out at 65535.
/// This causes the scrolling to stop.
/// </remarks>
public static void ScrollToEnd(System.Windows.Forms.RichTextBox RichTextbox)
{
#if false
int min, max;
GetScrollRange(RichTextbox.Handle, SB_VERT, out min, out max);
SetScrollPos(RichTextbox.Handle, SB_VERT, max, 1);
RichTextbox.SelectionStart = RichTextbox.Text.Length;
//SendMessage(RichTextbox.Handle, EM_SETSCROLLPOS, 0, new POINT(0, max));
#else
RichTextbox.SelectionStart = RichTextbox.Text.Length;
RichTextbox.ScrollToCaret();
#endif
}
public static void ScrollDown(System.Windows.Forms.RichTextBox box)
{
box.ScrollToCaret();
}
