public void AddMessage(DateTime dt, MsgType type, string from, string msg)
{
string col;
switch (type)
{
case MsgType.Incoming:
col = @"{\colortbl ;\red192\green80\blue77;}"; // Color.FromArgb(192, 080, 077);
break;
case MsgType.Outcoming:
col = @"{\colortbl ;\red79\green129\blue189;}"; // Color.FromArgb(079, 129, 189);
break;
case MsgType.System:
col = @"{\colortbl ;\red135\green157\blue059;}"; // Color.FromArgb(135, 157, 059);
break;
default:
col = ""; //Color.Gray;
break;
}
var sdt = dt.ToString("[HH:mm:ss]"); // [HH:mm:ss dd/MM/yy]
var sb = new StringBuilder();
sb.Append(@"{\rtf\ansi ");
sb.Append(col);
sb.Append(@"{\b");
{
sb.Append(@"{\cf1");
{
RtfUtil.EscapeString(sb, from);
sb.Append(' ');
RtfUtil.EscapeString(sb, sdt);
}
sb.Append('}');
}
sb.Append(@"}\line ");
RtfUtil.EscapeString(sb, msg);
sb.Append(@"\line\line}");
var scrollPos = rtbHistory.GetScrollPosition().Y + rtbHistory.ClientSize.Height;
var maxScrollPos = rtbHistory.GetMaxScrollPosition();
rtbHistory.AppendRtf(sb.ToString());
if (scrollPos >= maxScrollPos)
{
rtbHistory.ScrollToEnd();
}
}
/// <summary>
/// Converts an RTF string to plain text
/// </summary>
/// <param name="contents"></param>
/// <returns></returns>
public static string ToPlainText(string contents)
{
if (String.IsNullOrEmpty(contents))
{
return(String.Empty);
}
if (!contents.StartsWith("{\\rtf1"))
{
return(contents);
}
if (!RtfUtil.Rtf2Text(contents, out contents))
{
return(String.Empty);
}
return(contents);
}
