/// <summary>
/// Searches the text in a RichTextBox control for a string within a range of text within the control
/// and with specific options applied to the search.
/// </summary>
/// <param name="search">The string to search for.</param>
/// <param name="start">The location within the control's text at which to begin searching.</param>
/// <param name="end">The location within the control's text at which to end searching.</param>
/// <param name="finds">A bitwise combination of the ColorTextBoxFinds values.</param>
/// <returns>Start position of the first occurence of the search string.</returns>
public int Find(String search, int start, int end, ColorTextBoxFinds finds)
{
if (start < 0)
{
start = 0;
}
if (end < 0)
{
end = document.LastPos;
}
bool backwards = ((finds & ColorTextBoxFinds.Reverse) == ColorTextBoxFinds.Reverse);
if (end > start)
{
Position <Line, Token> found = null;
if (backwards)
{
Position <Line, Token> startP = document.GetPosition(end);
if (startP != null)
{
found = document.Find(search, startP, finds);
}
if (found != null)
{
int retPos = document.GetCharPosition(found);
if (retPos >= start)
{
return(retPos);
}
}
}
else
{
Position <Line, Token> startP = document.GetPosition(start);
if (startP != null)
{
found = document.Find(search, startP, finds);
}
if (found != null)
{
int retPos = document.GetCharPosition(found);
if (retPos <= end)
{
return(retPos);
}
}
}
}
return(-1);
}
/// <summary>
/// Searches the text in a ColorTextBox control for a string at a specific location within the control
/// and with specific options applied to the search.
/// </summary>
/// <param name="search">The string to search for.</param>
/// <param name="start">The location within the control's text at which to begin searching.</param>
/// <param name="finds"></param>
/// <returns>Start position of the first occurence of the search string.</returns>
public int Find(String search, int start, ColorTextBoxFinds finds)
{
return(Find(search, start, -1, finds));
}
/// <summary>
/// Searches the text in a ColorTextBox control for a string with specific options applied to the search.
/// </summary>
/// <param name="search">The string to search for</param>
/// <param name="finds">A bitwise combination of the ColorTextBoxFinds values.</param>
/// <returns>Start position of the first occurence of the search string.</returns>
public int Find(String search, ColorTextBoxFinds finds)
{
return(Find(search, 0, finds));
}
