public BarcodeForm()
{
InitializeComponent();
try
{
string sPath = "";
if (isIntermec)
{
sPath = "MEFdemo1.HAL.Intermec.*Control*.dll";
}
else
{
sPath = "MEFdemo1.HAL.ACME.*Control*.dll";
}
//I was unable to use the different catalog and let it look in a subfolder
//so the plugin names are used as a filter
catalog2 = new DirectoryCatalog(".", sPath);
foreach (string s in catalog2.LoadedFiles)
{
System.Diagnostics.Debug.WriteLine(s);
}
container2 = new CompositionContainer(catalog2);
#if DEBUG
//some diagnostics...
//see http://mef.codeplex.com/wikipage?title=Debugging%20and%20Diagnostics&referringTitle=Guide
// using Samples\.... as in MEF preview 7 and 8
CompositionInfo ci = new CompositionInfo(catalog2, container2);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.IO.TextWriter tw = new System.IO.StreamWriter(ms);
CompositionInfoTextFormatter.Write(ci, tw);
System.Diagnostics.Debug.WriteLine(Encoding.UTF8.GetString(ms.GetBuffer(), 0, ms.GetBuffer().Length));
foreach (PartDefinitionInfo pi in ci.PartDefinitions)
{
System.Diagnostics.Debug.WriteLine("isRejected: " + pi.IsRejected.ToString());
System.Diagnostics.Debug.WriteLine("partInfo: " + pi.PartDefinition.ToString());
}
tw.Close();
#endif
container2.ComposeParts(this);
initBarcode();
}
catch (Exception ex)
{
if (ex is ChangeRejectedException)
{
MessageBox.Show("HW-Components not found!");
}
else
{
MessageBox.Show("Exception in ComposeParts: " + ex.Message + "\n" + ex.StackTrace);
}
this.Close();
}
}
static void Main(string[] args)
{
var cat = new AssemblyCatalog(typeof(Program).Assembly);
using (var container = new CompositionContainer(cat))
{
var ci = new CompositionInfo(cat, container);
CompositionInfoTextFormatter.Write(ci, Console.Out);
}
Console.ReadKey(true);
}
public static void Log()
{
var globalContainer = VsIdeTestHostContext.ServiceProvider.GetService <SComponentModel, IComponentModel>();
var tempFile = Path.Combine(Path.GetTempPath(), "mef.txt");
using (var writer = new StreamWriter(tempFile, false))
{
CompositionInfoTextFormatter.Write(new CompositionInfo(globalContainer.DefaultCatalog, globalContainer.DefaultExportProvider), writer);
}
Process.Start(tempFile);
}
private void DumpMefLog(IComponentModel componentModel)
{
PackageUtility.ShowError(this, string.Format(CultureInfo.InvariantCulture, Resources.RuntimeShellPackage_DumpMefLogs, Constants.ProductName));
var tempFile = string.Empty;
try
{
// Write out the default VS catalog
tempFile = Path.Combine(Path.GetTempPath(), "mef.txt");
using (var writer = new StreamWriter(tempFile, false))
{
CompositionInfoTextFormatter.Write(new CompositionInfo(componentModel.DefaultCatalog, componentModel.DefaultExportProvider), writer);
}
Process.Start(tempFile);
}
catch (IOException)
{
// Ignore writing issues
}
try
{
// Write out the NuPattern catalog
tempFile = Path.Combine(Path.GetTempPath(), "mef-nupattern.txt");
using (var writer = new StreamWriter(tempFile, false))
{
CompositionInfoTextFormatter.Write(new CompositionInfo(componentModel.GetCatalog(
Catalog.DefaultCatalogName), componentModel.DefaultExportProvider), writer);
}
Process.Start(tempFile);
}
catch (IOException)
{
// Ignore writing issues
}
}
public MainForm()
{
InitializeComponent();
try
{
catalog = new DirectoryCatalog(".", "MEFdemo1.Plugins.*.dll");
container = new CompositionContainer(catalog);
container.ComposeParts(this);
#if DEBUG
//some diagnostics...
//see http://mef.codeplex.com/wikipage?title=Debugging%20and%20Diagnostics&referringTitle=Guide
// using Samples\.... as in MEF preview 7 and 8
CompositionInfo ci = new CompositionInfo(catalog, container);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.IO.TextWriter tw = new System.IO.StreamWriter(ms);
CompositionInfoTextFormatter.Write(ci, tw);
System.Diagnostics.Debug.WriteLine(Encoding.UTF8.GetString(ms.GetBuffer(), 0, ms.GetBuffer().Length));
foreach (PartDefinitionInfo pi in ci.PartDefinitions)
{
iPluginCount++;
System.Diagnostics.Debug.WriteLine("isRejected: " + pi.IsRejected.ToString());
System.Diagnostics.Debug.WriteLine("partInfo: " + pi.PartDefinition.ToString());
}
tw.Close();
#else
foreach (PartDefinitionInfo pi in ci.PartDefinitions)
{
iPluginCount++;
}
#endif
drawPlugins();
}
catch (Exception ex)
{
MessageBox.Show("No Plugins loaded: " + ex.Message);
}
}
public void when_retrieving_exports_then_reports_duplicate_services(Type serviceType)
{
var componentModel = GlobalServices.GetService <SComponentModel, IComponentModel>();
var contractName = AttributedModelServices.GetContractName(serviceType);
var components = componentModel.DefaultExportProvider
.GetExports <object, IDictionary <string, object> >(contractName)
.ToArray();
if (components.Length != 1)
{
var info = new CompositionInfo(componentModel.DefaultCatalog, componentModel.DefaultExportProvider);
var log = Path.GetTempFileName();
using (var writer = new StreamWriter(log))
{
CompositionInfoTextFormatter.Write(info, writer);
writer.Flush();
}
output.WriteLine(log);
// Process.Start(new ProcessStartInfo("notepad", log) { UseShellExecute = true });
Assert.False(true, $"Expected only one component of {serviceType.Name}. Composition log at {log}");
}
}
static void Main(string[] args)
{
AssemblyCatalog catalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
CompositionContainer container = new CompositionContainer(catalog);
try
{
container.GetExportedValue <PluginConsumer>();
}
catch
{
CompositionInfo ci = new CompositionInfo(catalog, container);
//we can use the GetPartDefinitionInfo to examine parts for potential issues.We can see if a part was rejected,
// if its the primary rejection, then we can ask it to return a potential root causes.
var partDef = ci.GetPartDefinitionInfo(typeof(PluginConsumer));
var possibleCauses = partDef.FindPossibleRootCauses();
//If you want to get a detailed analysis then we can use the Write method provided by the
// CompositionInforTextFormatter
CompositionInfoTextFormatter.Write(ci, Console.Out);
}
Console.ReadKey();
}
