private void ControllerThreadFunction(object instanceTable)
{
try
{
Debug.WriteLine(string.Format(CultureInfo.CurrentCulture, "WDE: DebugControllerThread.ControllerThreadFunction():"));
IExpressionEvaluationFrame expressionEvaluationFrame = null;
try
{
RegistryKey debugEngineSubKey = Registry.LocalMachine.OpenSubKey(RegistryKeys.DebuggerSubKey);
if (debugEngineSubKey != null)
{
string evaluationFrameTypeName = debugEngineSubKey.GetValue(ExpressionEvaluationFrameTypeName, String.Empty) as string;
if (!String.IsNullOrEmpty(evaluationFrameTypeName) && Type.GetType(evaluationFrameTypeName) != null)
{
expressionEvaluationFrame = Activator.CreateInstance(Type.GetType(evaluationFrameTypeName)) as IExpressionEvaluationFrame;
}
}
}
catch { }
if (expressionEvaluationFrame == null)
{
Type eeFrameType = null;
const string eeFrameTypeNameFormat = "Microsoft.Workflow.DebugEngine.ExpressionEvaluationFrame, Microsoft.Workflow.ExpressionEvaluation, Version={0}.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35";
// Try versions 12.0.0.0, 11.0.0.0, 10.0.0.0
for (int version = 12; eeFrameType == null && version >= 10; --version)
{
try
{
eeFrameType = Type.GetType(string.Format(CultureInfo.InvariantCulture, eeFrameTypeNameFormat, version));
}
catch (TypeLoadException)
{
// Fall back to next-lower version
}
}
if (eeFrameType != null)
{
expressionEvaluationFrame = Activator.CreateInstance(eeFrameType) as IExpressionEvaluationFrame;
}
}
Debug.Assert(expressionEvaluationFrame != null, "Failed to create Expression Evaluation Frame.");
if (expressionEvaluationFrame != null)
{
expressionEvaluationFrame.CreateEvaluationFrame((IInstanceTable)instanceTable, (DebugEngineCallback)Delegate.CreateDelegate(typeof(DebugEngineCallback), this, "ExpressionEvaluationFunction"));
}
}
catch
{
// Don't throw exceptions to the Runtime, it would terminate the debugee.
}
}
private void ControllerThreadFunction(object instanceTable)
{
try
{
IExpressionEvaluationFrame frame = null;
try
{
RegistryKey key = Registry.LocalMachine.OpenSubKey(RegistryKeys.DebuggerSubKey);
if (key != null)
{
string str = key.GetValue(ExpressionEvaluationFrameTypeName, string.Empty) as string;
if (!string.IsNullOrEmpty(str) && (Type.GetType(str) != null))
{
frame = Activator.CreateInstance(Type.GetType(str)) as IExpressionEvaluationFrame;
}
}
}
catch
{
}
finally
{
if (frame == null)
{
frame = Activator.CreateInstance(Type.GetType("Microsoft.Workflow.DebugEngine.ExpressionEvaluationFrame, Microsoft.Workflow.ExpressionEvaluation, Version=10.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35")) as IExpressionEvaluationFrame;
}
}
if (frame != null)
{
frame.CreateEvaluationFrame((IInstanceTable)instanceTable, (DebugEngineCallback)Delegate.CreateDelegate(typeof(DebugEngineCallback), this, "ExpressionEvaluationFunction"));
}
}
catch
{
}
}
