private void UpdateExpression(LambdaExpression expr)
{
trvExpr.Nodes.Clear();
prgNode.SelectedObject = null;
_ids.Clear();
txtNode.Text = "";
txtResult.Text = expr.DebugView().ToString();
var csharp = default(string);
try
{
rtfCSharp.ForeColor = Color.Black;
csharp = expr.ToCSharp(); // TODO: specify namespaces
rtfCSharp.Text = csharp;
}
catch (Exception ex)
{
rtfCSharp.ForeColor = Color.Red;
rtfCSharp.Text = ex.ToString();
}
try
{
HighlightCSharpishAsync(rtfCSharp, csharp).Wait(); // TODO: async all the way up
}
catch { } // NB: seen cases where this blows up because the code is invalid
var root = new TreeNode();
Expand(root, expr);
trvExpr.Nodes.Add(root);
trvExpr.ExpandAll();
trvExpr.SelectedNode = root;
UpdateIL(expr);
}