public static void Start(string text, DrawingContext dc, FormattedText ft)
{
SyntaxTree tree = SyntaxTree.ParseText(text);
var compilation = Roslyn.Compilers.CSharp.Compilation.Create(
"MyCompilation",
syntaxTrees: new[] { tree },
references: References);
var walker = new CsharpSyntaxWalker(compilation.GetSemanticModel(tree), dc, ft);
walker.Visit(tree.GetRoot());
foreach (var item in tree.GetRoot().DescendantTrivia())
{
walker.VisitTrivia(item);
}
}
//Render the text in the text box, using the specified background color and syntax
//color scheme. The original rendering done by the text box is invisible as both
//the foreground and background brushes are transparent
protected override void OnRender(DrawingContext dc)
{
var ft = new FormattedText(
this.Text,
System.Globalization.CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
new Typeface(this.FontFamily.Source),
this.FontSize,
new SolidColorBrush(this.DefaultForegroundColor));
//We specify the left and top margins to match the original rendering exactly.
//that way, the original caret and text selection adornments line up correctly.
var left_margin = 2.0 + this.BorderThickness.Left;
var top_margin = 2.0 + this.BorderThickness.Top;
dc.PushClip(new RectangleGeometry(new Rect(0, 0, this.ActualWidth, this.ActualHeight)));
dc.DrawRectangle(this.Background, new Pen(), new Rect(0, 0, this.ActualWidth, this.ActualHeight));
CsharpSyntaxWalker.Start(this.Text, dc, ft);
dc.DrawText(ft, new Point(left_margin - this.HorizontalOffset, top_margin - this.VerticalOffset));
}
public static void Start(string text, DrawingContext dc, FormattedText ft)
{
SyntaxTree tree = SyntaxTree.ParseText(text);
var compilation = Roslyn.Compilers.CSharp.Compilation.Create(
"MyCompilation",
syntaxTrees: new[] { tree },
references: References);
var walker = new CsharpSyntaxWalker(compilation.GetSemanticModel(tree), dc, ft);
walker.Visit(tree.GetRoot());
foreach (var item in tree.GetRoot().DescendantTrivia())
{
walker.VisitTrivia(item);
}
}