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MissingManifestResourceException Class

The exception that is thrown if the main assembly does not contain the resources for the neutral culture, and an appropriate satellite assembly is missing.

System.Object
  System.Exception
    System.SystemException
      System.Resources.MissingManifestResourceException

Namespace:  System.Resources
Assembly:  mscorlib (in mscorlib.dll)

[SerializableAttribute]
[ComVisibleAttribute(true)]
public class MissingManifestResourceException : SystemException

The MissingManifestResourceException type exposes the following members.

  NameDescription
Public methodSupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsMissingManifestResourceException()Initializes a new instance of the MissingManifestResourceException class with default properties.
Public methodSupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsMissingManifestResourceException(String)Initializes a new instance of the MissingManifestResourceException class with the specified error message.
Protected methodMissingManifestResourceException(SerializationInfo, StreamingContext)Initializes a new instance of the MissingManifestResourceException class from serialized data.
Public methodSupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsMissingManifestResourceException(String, Exception)Initializes a new instance of the MissingManifestResourceException class with a specified error message and a reference to the inner exception that is the cause of this exception.
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  NameDescription
Public propertySupported by Portable Class LibrarySupported in .NET for Windows Store appsDataGets a collection of key/value pairs that provide additional user-defined information about the exception. (Inherited from Exception.)
Public propertySupported by Portable Class LibrarySupported in .NET for Windows Store appsHelpLinkGets or sets a link to the help file associated with this exception. (Inherited from Exception.)
Public propertySupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsHResultGets or sets HRESULT, a coded numerical value that is assigned to a specific exception. (Inherited from Exception.)
Public propertySupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsInnerExceptionGets the Exception instance that caused the current exception. (Inherited from Exception.)
Public propertySupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsMessageGets a message that describes the current exception. (Inherited from Exception.)
Public propertySupported by Portable Class LibrarySupported in .NET for Windows Store appsSourceGets or sets the name of the application or the object that causes the error. (Inherited from Exception.)
Public propertySupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsStackTraceGets a string representation of the immediate frames on the call stack. (Inherited from Exception.)
Public propertyTargetSiteGets the method that throws the current exception. (Inherited from Exception.)
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  NameDescription
Public methodSupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodSupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsGetBaseExceptionWhen overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions. (Inherited from Exception.)
Public methodSupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetObjectDataWhen overridden in a derived class, sets the SerializationInfo with information about the exception. (Inherited from Exception.)
Public methodSupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsGetTypeGets the runtime type of the current instance. (Inherited from Exception.)

In XNA Framework 3.0, this member is inherited from Object.GetType().


In Portable Class Library Portable Class Library, this member is inherited from Object.GetType().


In .NET for Windows Store apps Windows 8, this member is inherited from Object.GetType().
Protected methodSupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by the XNA FrameworkSupported by Portable Class LibrarySupported in .NET for Windows Store appsToStringCreates and returns a string representation of the current exception. (Inherited from Exception.)
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  NameDescription
Protected eventSerializeObjectStateOccurs when an exception is serialized to create an exception state object that contains serialized data about the exception. (Inherited from Exception.)
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Desktop Apps

In desktop apps, MissingManifestResourceException is thrown when the attempt to retrieve a resource fails because the resource set for the neutral culture could not be loaded from a particular assembly. Although the exception is thrown when you try to retrieve a particular resource, it is caused by the failure to load the resource set rather than the failure to find the resource.

NoteNote

For additional information, see the "Handling a MissingManifestResourceException Exception" section in the ResourceManager class topic.

The main causes of the exception include the following:

  • The resource set is not identified by its fully qualified name. For example, if the baseName parameter in the call to the ResourceManager.ResourceManager(String, Assembly) method specifies the root name of the resource set without a namespace, but the resource set is assigned a namespace when it is stored in its assembly, the call to the ResourceManager.GetString method throws this exception.

    If you have embedded the .resources file that contains the default culture's resources in your executable and your app is throwing a MissingManifestResourceException, you can use a reflection tool such as ILDasm.exe to determine the fully qualified name of the resource. In ILDasm, double click the executable's MANIFEST label to open the MANIFEST window. Resources appear as .mresource items and are listed after external assembly references and custom assembly-level attributes. You can also compile the following simple utility, which lists the fully qualified names of embedded resources in the assembly whose name is passed to it as a command-line parameter.

    using System;
    using System.IO;
    using System.Reflection;
    using System.Resources;
    
    public class Example
    {
       public static void Main()
       {
          if (Environment.GetCommandLineArgs().Length == 1) { 
             Console.WriteLine("No filename.");
             return;
          }
    
          string filename = Environment.GetCommandLineArgs()[1].Trim();
          // Check whether the file exists. 
          if (! File.Exists(filename)) {
             Console.WriteLine("{0} does not exist.", filename);
             return;
          }   
    
          // Try to load the assembly.
          Assembly assem = Assembly.LoadFrom(filename);
          Console.WriteLine("File: {0}", filename);
    
          // Enumerate the resource files. 
          string[] resNames = assem.GetManifestResourceNames();
          if (resNames.Length == 0)
             Console.WriteLine("   No resources found.");
    
          foreach (var resName in resNames)
             Console.WriteLine("   Resource: {0}", resName.Replace(".resources", ""));
    
          Console.WriteLine();
       }
    }
    
  • You identify the resource set by its resource file name (along with its optional namespace) and its file extension rather than by its namespace and root file name alone. For example, this exception is thrown if the neutral culture's resource set is named GlobalResources and you supply a value of GlobalResources.resources (instead of GlobalResources) to the baseName parameter of the ResourceManager.ResourceManager(String, Assembly) constructor.

  • The culture-specific resource set that is identified in a method call cannot be found, and the fallback resource set cannot be loaded. For example, if you create satellite assemblies for the English (United States) and Russia (Russian) cultures but you fail to provide a resource set for the neutral culture, this exception is thrown if your app's current culture is English (Great Britain).

MissingManifestResourceException uses the HRESULT COR_E_MISSINGMANIFESTRESOURCE, which has the value 0x80131532.

MissingManifestResourceException uses the default Equals implementation, which supports reference equality.

For a list of initial property values for an instance of MissingManifestResourceException, see the MissingManifestResourceException constructors.

NoteNote

We recommend that you include a neutral set of resources in your main assembly, so your app won't fail if a satellite assembly is unavailable.

Windows Store Apps

Unlike desktop apps, which deploy localized resources in satellite assemblies and typically store the resources of the neutral culture in the main assembly, Windows Store apps deploy resources for multiple cultures, including the neutral culture, in a single package resource index (.pri) file. As a result, in a Windows Store app, if resources for the preferred culture cannot be found, the MissingManifestResourceException is thrown under either of the following conditions:

  • The app does not include a .pri file or the .pri file could not be opened.

  • The app's .pri file does not contain a resource set for the given root name.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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