public void AppendFormat(string message, params object[] args)
{
object[] argstrs = new object[args.Length];
for (int i = 0; i < args.Length; ++i)
{
string s = args[i] as string;
argstrs[i] = (s != null) ? s : AvTrace.ToStringHelper(args[i]);
}
_sb.AppendFormat(CultureInfo.InvariantCulture, message, argstrs);
}
// ------------------------------------------------------------------
// Helper functions for message string construction
// ------------------------------------------------------------------
/// <summary>
/// Construct a string that describes data and debugging information about the object.
/// A title is appended in front if provided.
/// If object o is not a recognized object, it will be ToString()'ed.
/// </summary>
/// <param name="traceBuilder">description will be appended to this builder</param>
/// <param name="o">object to be described;
/// currently recognized types: BindingExpression, Binding, DependencyObject, Exception</param>
/// <returns>a string that describes the object</returns>
static public void Describe(AvTraceBuilder traceBuilder, object o)
{
if (o == null)
{
traceBuilder.Append("null");
}
else if (o is BindingExpression)
{
BindingExpression bindingExpr = o as BindingExpression;
Describe(traceBuilder, bindingExpr.ParentBinding);
traceBuilder.Append("; DataItem=");
DescribeSourceObject(traceBuilder, bindingExpr.DataItem);
traceBuilder.Append("; ");
DescribeTarget(traceBuilder, bindingExpr.TargetElement, bindingExpr.TargetProperty);
}
else if (o is Binding)
{
Binding binding = o as Binding;
if (binding.Path != null)
{
traceBuilder.AppendFormat("Path={0}", binding.Path.Path);
}
else if (binding.XPath != null)
{
traceBuilder.AppendFormat("XPath={0}", binding.XPath);
}
else
{
traceBuilder.Append("(no path)");
}
}
else if (o is BindingExpressionBase)
{
BindingExpressionBase beb = o as BindingExpressionBase;
DescribeTarget(traceBuilder, beb.TargetElement, beb.TargetProperty);
}
else if (o is DependencyObject)
{
DescribeSourceObject(traceBuilder, o);
}
else
{
traceBuilder.AppendFormat("'{0}'", AvTrace.ToStringHelper(o));
}
}
public void AppendFormat(string message, object arg1, object arg2)
{
_sb.AppendFormat(CultureInfo.InvariantCulture, message, new object[] { AvTrace.ToStringHelper(arg1), AvTrace.ToStringHelper(arg2) });
}