/// <summary>
/// 高亮显示
/// </summary>
/// <param name="targetTextBox"/><param name="s"/>
internal void PrintWithSyntaxHighlighting(EfficientTextBox targetTextBox, string s)
{
if (s.Trim().StartsWith("[Example("))
{
return;
}
if (s.Trim().StartsWith("//"))
{
targetTextBox.SelectionColor = Color.Green;
targetTextBox.AppendText(s + Environment.NewLine);
targetTextBox.SelectionColor = Color.Black;
}
else
{
targetTextBox.SelectionBackColor = Color.White;
if (s.Contains("//highlight"))
{
s = s.Replace("//highlight", "");
targetTextBox.SelectionBackColor = Color.Yellow;
}
MatchCollection matchCollection = this.reg.Matches(s);
int startIndex = 0;
foreach (Match match in matchCollection)
{
targetTextBox.AppendText(s.Substring(startIndex, match.Index - startIndex));
startIndex = match.Index + match.Length;
string str = s.Substring(match.Index, match.Length);
if (this.IsReservedWord(str))
{
targetTextBox.SelectionColor = Color.Blue;
}
targetTextBox.AppendText(str);
targetTextBox.SelectionColor = Color.Black;
}
if (startIndex < s.Length)
{
targetTextBox.AppendText(s.Substring(startIndex));
}
targetTextBox.AppendText(Environment.NewLine);
}
}
protected void OnSelectionChanged()
{
Type selectedExample = this.SelectedExample;
if (selectedExample == (Type)null)
{
return;
}
this.SuspendLayout();
this.exampleSummaryBox.Clear();
this.exampleSummaryBox.SelectionColor = Color.DarkBlue;
this.exampleSummaryBox.SelectionFont = new Font(FontFamily.GenericSansSerif, 11f, FontStyle.Bold);
this.exampleSummaryBox.AppendText(selectedExample.Name + Environment.NewLine);
ExampleAttribute exampleAttribute = this.GetExampleAttribute(selectedExample);
this.exampleSummaryBox.SelectionFont = new Font(FontFamily.GenericSansSerif, 10f, FontStyle.Regular);
this.exampleSummaryBox.SelectionColor = Color.FromArgb(0, 0, 100);
string text = "";
if (exampleAttribute != null)
{
text = exampleAttribute.Description;
}
this.exampleSummaryBox.AppendText(text);
this.exampleSummaryBox.Size = this.exampleSummaryBox.GetPreferredSize(this.exampleSummaryBox.Size);
this.exampleSummaryBox.Height += 30;
this.exampleSummaryBox.Refresh();
string sourceCodeFilename = this.GetSourceCodeFilename(selectedExample);
this.DoubleBuffered = true;
try
{
if (sourceCodeFilename == null)
{
this.sourceTextBox.Text = "";
this.sourceTextBox.AppendText("源码没有找到(Example source code was not found). " + Environment.NewLine
+ "在源文件-属性-复制到输出目录 修改为 始终复制 " + Environment.NewLine +
"(Go to the properties of the source file in Visual Studio and set 'Copy To Output Directory' to 'Copy if newer').");
}
else
{
RichTextBox rtb = new RichTextBox();
rtb.Font = this.sourceTextBox.Font;
rtb.SelectionTabs = this.sourceTextBox.SelectionTabs;
EfficientTextBox targetTextBox = new EfficientTextBox(rtb);
StreamReader streamReader = new StreamReader(sourceCodeFilename);
while (true)
{
string s = streamReader.ReadLine();
if (s != null)
{
this.PrintWithSyntaxHighlighting(targetTextBox, s);
}
else
{
break;
}
}
targetTextBox.Flush();
streamReader.Close();
this.sourceTextBox.Rtf = rtb.Rtf;
}
}
finally
{
this.ResumeLayout(true);
}
}
