The type bitmap is defined in an assembly that is not referenced 27. ReaderWriter, Version=6. **Consider adding a reference to assembly UnityEngine,** Version=0. I searched and found that the Bitmap type is part of the Assembly System. Dec 11, 2024 · On building for the net9. Error 1 The type 'System. Task`1<T0>' is defined in an assembly that is not referenced. cs (13,19): error CS0012: The type ‘Quaternion’ is defined in an assembly that is not referenced. You must add a reference to as Jan 17, 2017 · I updated it, it was corrected, but I still get the former Error message: CS0012: The type 'System. Extensions, Version=4. You must add a reference to assembly ' Jun 2, 2016 · The type 'Object' is defined in an assembly that is not referenced. Nov 19, 2020 · "The type is defined in an assembly that is not referenced" when optimize code is turned off. dll assembly (msdn reference) When I try to use VS2019's quick actions I get the option to "Add reference to "office Version 15. Spreadsheet. CS0234: The type or namespace name does not exist in the namespace (are you missing an assembly reference?) CS0246: The type or namespace name could not be found (are you missing a using Apr 26, 2022 · Hi Team, I’ve a BPM which includes IceDataContext. Apr 16, 2016 · The type ILogger is defined in an assembly that is not referenced #717 New issue Closed jak-hammond Dec 16, 2015 · Error CS0012 The type 'Package' is defined in an assembly that is not referenced. cs (48,59): error CS0012: The type ‘AsyncOperationHandle<>’ is defined in an assembly that is not referenced. I think some things changed but when I was using Windows Forms, the bulk of the drawing code was in "System. Common, Version=0. Drawing' (are you missing an assembly reference?) I have System. 0, Culture=neutral, PublicKeyToken=null’ But UnityEngine appears to be referenced in all projects - and the other builds are working just fine. Mar 20, 2023 · Error ERROR Validation Error (1,93): error CS0012: The type ‘IXmlSerializable’ is defined in an assembly that is not referenced. May 28, 2014 · Because of this change, the original errors returned. 0"". It complains that the The type . 0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e'. AttributeModel isn't loaded/referenced correctly, but after checking the compilation, I can see the assembly is referenced ok. Local' [image] System. Jan 29, 2024 · Im trying to utilize queues from UiPath Orchestrator into my workflow, however Im currently receiving the following error: “Error ERROR Validation Error CS0012: The type ‘Dictionary<,>’ is defined in an assembly that is not referenced. OpenXml. 420 I get the following message whenever I try to use dotween with my IDE. Common, Version=4. Jan 3, 2022 · Even though MsoTriState is most definitely defined in Microsoft. Aug 1, 2022 · Error Compiling transformation: The type 'ReadOnlySpan<>' is defined in an assembly that is not referenced. 2856. cs (143,50,143,54): error CS0012: The type ‘Bitmap’ is defined in an assembly that is not referenced. The Windows Forms project type includes a lot of other libraries along with it. 0-windows10. cs (112,30): error CS0012: The type `System. "Referenced" is the . Object’ is defined in an assembly that is not referenced. 0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' Jun 26, 2022 · Error (CS0012): The type ‘Color’ is defined in an assembly that is not referenced. ServiceModel, Version=4. Drawing’ assembly reference?”, and by extension CS0246 “The type or namespace name ‘Bitmap’ could not be found. Referenced assemblies I've got at the moment are: Jan 28, 2025 · The type 'IAsyncDisposable' is defined in an assembly that is not referenced. Apply. Drawing types directly to Windows, so they aren't compatible with . Runtime. Dec 29, 2023 · The type 'Object' is defined in an assembly that is not referenced. ValueType’ is defined in an assembly that is not referenced. C# : error CS0012: The type 'TaskAwaiter ' is defined in an assembly that is not referenced To Access My Live Chat Page, On Google, Search for "hows tech developer connect" As promised, I have a The type 'DocumentFormat. You must add a reference to assembly ‘System. You must add a reference to assembly ' System. Drawing which is deprecated when I use FilterSequence. Sep 21, 2017 · The type 'Enum' is defined in an assembly that is not referenced. Jul 23, 2024 · Argument ‘Value’: CS0012: The type ‘IXmlSerializable’ is defined in an assembly that is not referenced. Threading, Version=1. Jun 14, 2016 · The type 'ClientBase<>' is defined in an assembly that is not referenced Asked 9 years, 5 months ago Modified 9 years, 5 months ago Viewed 4k times Aug 25, 2024 · Error CS0012 : The type 'MongoClientSettings' is defined in an assembly that is not referenced. System. Jun 12, 2017 · Error CS0012 The type 'Object' is defined in an assembly that is not referenced. Unity, Version=3. Driver, Version=2. dll))", so maybe check if you have PresentationCore. 0, Culture=neutral, PublicKeyToken=b77a5c561934e089 '. 0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. AvatarPosition. 5022. NET application? Check out this post for fixes! MS strongly tied many System. Transactions is already available in reference by default Oct 26, 2022 · Hi Team, I’ve a BPM which includes IceDataContext. Drawing' I Googled for the error… May 27, 2021 · My attempts: I installed on Nuget and referenced this Assembly (Corecompat. Transactions is already available in reference by Apr 19, 2018 · CS0012: The type 'System. I got the error that B wasn't referenced (and I was already referencing the signed version of B). Drawing, NET Standard 2. Composition. Apr 19, 2021 · (5,32): error CS0012: The type 'Object' is defined in an assembly that is not referenced. Freezable' is defined in an assembly that is not referenced. "The type name 'Bitmap' could not be found in the namespace 'System. Data, Version=4. Practices. Thank you for your time! Sep 20, 2016 · Error CS0012 The type 'Task' is defined in an assembly that is not referenced. 0, Culture=neutral, PublicKeyToken=null'. 102, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. Drawing' (are you missing an assembly reference?) The type 'Bitmap' was mapped to assembly 'System. Oct 2, 2025 · Learn how to understand and troubleshoot assembly reference problems in . NET 6 SDK version the BPM validated with no issues. Mar 21, 2018 · The type ‘System. microsoft. In simple terms, if the assembly (dll) file is not included in the compilation, you will see this error. 0, Culture = neutral, PublicKeyToken = null' May 20, 2024 · 1>C:\tech78\rhino\SheetMetalTools\SMFlange\SMFlangeComponent. You must add a reference to assembly 'DocumentFormat. dll in a Rhino plug-in project. You must add a reference to assembly 'Unity. Apr 12, 2021 · On version 1. You must add a reference to assembly 'ClosedXML, Version=0. Oct 1, 2015 · The type 'IUnityContainer' is defined in an assembly that is not referenced. 0, Culture=neutral, PublicKeyToken=b77a5c561934e089' The type ' Expression<> ' is defined in an assembly that is not referenced. Drawing. 1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'. Consider adding a reference to assembly `System. NET Framework 4. MonoBehaviour' is defined in an assembly that is not referenced. 1 does not fully support . Runtime, such as IEnumerable, that are used throughout the Windows Runtime libraries Jun 23, 2018 · changed the title error CS0012: The type 'ValueTask<>' is defined in an assembly that is not referenced Compiler error when referencing a NetStandard 2. Has anyone else dealt with this problem before and have any guidance? This Stack Overflow article May 7, 2024 · In my iOS MAUI project, I'm getting an error "The type 'NSObject' is defined in an assembly that is not referenced. Sep 29, 2023 · The type 'CodeActivity' is defined in an assembly that is not referenced. Local, Version=8. Sep 8, 2017 · LogsUtil. Jul 16, 2021 · The type 'ValueType' is defined in an assembly that is not referenced. The Windows Runtime defines some standard classes and interfaces in System. dll" and the Windows Forms project type automatically "referenced" that DLL. Imageing 3. 8 in any event. 0, Culture=neutral, PublicKeyToken=84e04ff9cfb79065'" for references that are referring to a Binding Project that has been upgraded to Microsoft. Nov 19, 2020 · error CS0012: The type 'Object' is defined in an assembly that is not referenced. Nov 7, 2024 · Error CS0012 The type ‘type is defined in an assembly that is not referenced. I have tried to add reference to System. Graphics but just Graphics. X); can anybody explain to me what i’m doing wrong? again all the needed files are imported in Unity. Jun 10, 2016 · I am getting the following compile-time error: The type or namespace name 'Bitmap' could not be found (are you missing a using directive or an assembly reference?) Jul 30, 2023 · The first two converted fine but the third, which is a dll of images, throws up: 'Image' could not be found in the namespace 'System. System. Imaging Assembly: PresentationCore (in PresentationCore. Sep 30, 2021 · Hi, I have 10312 errors in 1261 files in Rider, but all work. Tasks. Sep 18, 2019 · The type 'MonoBehaviour' is defined in an assembly that is not referenced. You must add a reference to assembly 'System. The fix was to find and reference the signed version of A. The error type look like The type XXXXXXX is defined in an assembly that is not referenced. May 27, 2021 · I installed on Nuget and referenced this Assembly (Corecompat. Common, and you can add that NuGet package to your project. CreateDefaultTransactionScope(). (line 314) Mar 30, 2020 · CS0012: The type ‘System. Jan 15, 2016 # ASP. 0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. Object' is defined in an assembly that is not referenced. 0 library using ValueTask<T> on Jun 27, 2018 Jul 30, 2017 · The type `System. ServiceModel. Local, Version=6. Sep 6, 2017 · Tried to follow the Microsoft Hololense Tutorial but always get 10k-20k Errors where it says: “xx” is not defined or imported or The type ‘Object’ is defined in an assembly that is not referenced. Runtime, Version=4. Dec 18, 2013 · When you get this error, it means that code you are using makes a reference to a type that is in an assembly, but the assembly is not part of your project so it can't use it. most likely your nuget package got updated. Thank you for your time! Apr 21, 2018 · 2 I am writing a project in F# that uses the Bitmap functionality of System. OpenXml, Version=2. 0/. 0, Culture=neutral, PublicKeyToken=null’. Dec 21, 2022 · error CS0012: The type 'IXLWorkbook' is defined in an assembly that is not referenced. You must add a reference to assembly ' {assembly} '. You must add a reference to assembly 'UnityEngine. I have tried everything else I could find on the forums. Threading. 8 has complete support of . Mar 26, 2019 · After updating and including some NuGet packages, I now get many compile errors similar to: The type 'Object' is defined in an assembly that is not referenced. CreateDefaultTransactionScope (). It was working in Kinetic 2021 but after upgrade to Kinetic 2022. dll? Jun 2, 2016 · The type 'Object' is defined in an assembly that is not referenced. The RhinoWindows and Rhinocommon packages explicitly do not copy their assemblies to the output directory during compile, since they are already included in the Rhino installation (you can see the RhinoWindows. You must add a reference to assembly 'UnityEngine, Version=0. Oct 19, 2017 · @fahadabdulaziz opened this here: microsoft/dotnet#527 Hi, After targeting . Core which is part of the office. 5. You must add a reference to assembly 'mscorlib, Version=4. You must add a reference to assembly 'Microsoft. Consider adding a reference to assembly. Office. Xml and the namespace System. After installing the . The type 'IEnumerable<>' is defined in an assembly that is not referenced Asked 9 years, 4 months ago Modified 7 months ago Viewed 15k times Oct 29, 2017 · error CS0012: The type UnityEngine. I thank you since! Jun 10, 2016 · For writable bitmap you apparently need, according to MSDN "Namespace: System. Activities' The type 'WriteableBitmap' is defined in an assembly that is not referenced. The type 'TweenerCore<,,>' is defined in an assembly that is not referenced. iOS framework. net 4. Compiler Error Message: CS0012: The type 'System. ReaderWriter, Version=8. You must add a reference to assembly 'netstandard, Version=2. Dec 19, 2019 · BitmapImage issue: Reference to type 'Freezable' claims it is defined in 'WindowsBase' #2341 Aug 25, 2022 · System. 0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51’. You must add a reference to assembly 'assembly'. Closed - Not Enough Info View resolution 2 6 Apr 26, 2021 · I'm not sure the best way to solve this (it's hard for me to even recreate this error), but I suspect that carefully choosing the version of System. As this StackOverflow post explains, they moved the types they could to the assembly System. 1 is out of support, so you should upgrade to 4. 0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'. NET project, I see a lot of places highlighted as errors. 26100 target framework, I am getting the following error: The type 'Application' is defined in an assembly that is not referenced. This type has been forwarded to assembly 'System. InvalidOperationException: Unable to generate a temporary class (result=1). Wpf. Sep 9, 2019 · The type 'ValueType' is defined in an assembly that is not referenced #4706 New issue Closed as not planned Aug 10, 2023 · Type: Bug Issue Description When I open a . Drawing, Version=4. 0, Culture=neutral, PublicKeyToken=b77a5c561934e089’. Apr 26, 2022 · . Sep 21, 2025 · The type or namespace name 'Bitmap' could not be found in the namespace 'System. #2318 Apr 14, 2022 · using System. Dec 16, 2015 · Error CS0012 The type 'Package' is defined in an assembly that is not referenced. 0 libraries. 0 Dec 2, 2023 · ASPRunner. netstandard 2. CoreModule, Version=0. Assets\Scripts\Spawnables\Road. Windows. You must add a reference to assembly ‘mscorlib, Ve… Jan 17, 2023 · Hello I am trying to compile and publish a library that has been working for several years, but all of a sudden fails with the following error: The type ‘ILocalResource’ is defined in an assembly that is not reference… The type 'Object' is defined in an assembly that is not referenced. See full list on learn. 0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51 If you are targeting Windows 8, the MSDN documentation has the following instructions: That said, your desktop app can’t consume much of anything from the Windows Runtime until you prepare your project with one essential reference. Dec 5, 2020 · Whenever I try to build these prefabs with tweens not commented out, I get this errors. You must add a reference to assembly 'Accord, Version=3. Jan 6, 2021 · Assets\Scripts\Runtime\Systems\GameSetupSystem. 0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' Jul 15, 2017 · Are you missing ‘System. Mar 15, 2022 · The RhinoWindows package can be used if you need to reference Eto. 1. Drawing, Version = 0. 0 . targets file on nuget. You must add a reference to assembly 'PresentationCore, Version=4. Apr 1, 2019 · My code works but wherever I have System. net 6 if you want to create and build . May 9, 2017 · You must add a reference to assembly 'System. You must add a reference to assembly 'Xamarin. You will see this error especially when the referenced type was not found. You must add a reference to assembly ‘UnityEngine, Version=0. 0. The type 'Bitmap' is defined in assembly that is not referenced. error CS0012: The type 'System. Feb 25, 2025 · Message: The type ‘TransactionScope’ is defined in an assembly that is not referenced. 0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7'. InlineString' is defined in an assembly that is not referenced. So you don't have to say System. You must add May 16, 2019 · error CS0012: The type 'ValueTask<>' is defined in an assembly that is not referenced. 95. Aug 25, 2024 · Error CS0012 : The type 'MongoClientSettings' is defined in an assembly that is not referenced. You still need to reference the assembly. #391 Jan 12, 2023 · Error CS0012 The type 'Rational' is defined in an assembly that is not referenced. Data. iOS, Version=0. NET General questions Using RestSharp to make an API insert call Dec 5, 2017 · Error CS0012: The type 'DbConnection' is defined in an assembly that is not referenced. Aug 5, 2015 · The using directive (not to be confused with the using statement) is just to import namespaces from your referenced assemblies into your code file in order to make it easier to use the types that the assemblies contain without having to fully-qualify their names with their namespaces. Xml are named the same, in this case, is merely Dec 9, 2021 · When I open an Unreal 5 project in Rider, all the classes from UnrealBuildTool are shown as errors: The type ‘object’ is defined in an assembly that is not referenced. 6. You must add a refer… Jul 12, 2016 · I'm unable to compile the T4 template example located here due to System. Linq, Version=4. Sep 20, 2016 · Error CS0012 The type 'Task' is defined in an assembly that is not referenced. You must add a reference to assembly 'MongoDB. You must add a reference to Feb 15, 2016 · Compiling transformation: The type 'Object' is defined in an assembly that is not referenced Asked 9 years, 9 months ago Modified 9 years, 5 months ago Viewed 8k times Error 2 The type 'System. NET builds with MSBuild. net 3. Local' System. CoreLib, Version=8. Jan 26, 2023 · The error was CS0012 - The type ‘TransactionScope’ is defined in an assembly that is not referenced. 0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' Consider adding a reference to that assembly. It looks like the assembly System. Private. The fact that the assembly System. Type 'Object' is defined in an assembly that is not referenced (NET Standard 2. 0 and 3. Jun 5, 2016 · The type 'Func<,>' is defined in an assembly that is not referenced. Log((float)myavatar. 0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. Core, Version=4. Runtime reference issues. Dec 3, 2020 · CS0012 The type 'Table<>' is defined in an assembly that is not referenced. 0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' Jul 24, 2024 · Error CS0012 The type 'Object' is defined in an assembly that is not referenced. . Memory, Version=4. 0, but the project can't be built because The type 'Bitmap' is not defined in 'System. as 4. Are you missing an assembly reference?”, compile errors. dll in Assets\\Plugins, and in VS I did Project>Add Reference>selected that dll (It is in the list of references in Jan 15, 2016 · The type 'xxxx' is defined in an assembly that is not referenced. 7. Xml. 0, Culture = neutral, PublicKeyToken = null' Mar 29, 2019 · Error CS0012 The type 'Bitmap' is defined in an assembly that is not referenced. " Mar 29, 2019 · Error CS0012 The type 'Bitmap' is defined in an assembly that is not referenced. CoreLib, Version=6. You must add a reference to assembly 'CoreCompat. is defined in an assembly that is not referenced, but the assembly is referenced. Did you try a global object that was not an anonymous type? The script engine also attempts to tack on the assembly that defines the global object, which should be the assembly of the calling code in your case. You must add a reference to assembly. Bitmap the Visual Studio underlines it and shows as error: The type or namespace name 'Image' does not exist in the namespace 'System. 8. I get these errors: csharp The type 'Object' is defined in an assembly that is not refe The type ' {type} ' is defined in an assembly that is not referenced. Image or System. Media. com Aug 9, 2019 · Nuget package Accord. Drawing; That using does not mean that the relevant assembly is automatically referenced its just a shortcut that you don't have to write the complete name of the class. NET 5, Configuration Jul 23, 2024 · Argument ‘Value’: CS0012: The type ‘IXmlSerializable’ is defined in an assembly that is not referenced. Common ScottPlot depends on may help. You must add a reference to assembly 'WindowsBase, Version=4. 1, in many projects referencing net standard libraries. 0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a’. 0, Culture=neutral, PublicKeyToken=1234'. 2. Primitives, Version=0. Jan 22, 2023 · Getting the type is defined in an assembly that is not referenced error in your . net framework 4. EndpointIdentity’ is defined in an assembly that is not referenced. Drawing in various locations and made sure I used the NET Standard library version. Net Framework 4. 1) [duplicate] Asked 8 years, 5 months ago Modified 5 years, 6 months ago Viewed 64k times Jul 23, 2017 · It means that Humanizer library requires System. error CS0012: The type 'Task<>' is defined in an assembly that is not referenced. . Apr 26, 2022 · The type 'BitmapSource' is defined in an assembly that is not referenced #8626 Answered by jeromelaban s-lazukov asked this question in Q&A s-lazukov Aug 15, 2025 · The following errors and warnings indicate that you're missing an assembly reference: CS0012: The type 'type' is defined in an assembly that is not referenced. Drawing) in my project and it didn’t work. Can someone give me a light please. dll library reference in project. #19364 Apr 8, 2021 · 最近在用C#编程时引用了DotSpatial的相关功能，编译时遇到Build Error:The type '***' is defined in an assembly that is not referenced的问题。 问题分析： 正如提示所有，你使用了该方法但是却没有对其进行引用。 解决方案： 在工程references文件夹中右键 Add reference…，找到提示中所指出的内容的dll文件，添加引用 Oct 15, 2014 · I was getting this error referencing a delay-signed assembly A that referenced a type X defined in assembly B. Transactions. Transaction. its referring to this line Debug. Runtime, Version=5. 0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e' Nov 5, 2016 · Error CS0012 The type 'MonoBehaviour' is defined in an assembly that is not referenced. NET way of saying, "the project tells the compiler to include the code from that library". This is Jul 30, 2021 · However, every time I mention Color, I get the following error : error CS0012: The type 'Color' is defined in an assembly that is not referenced. NET Core. Dec 19, 2019 · BitmapImage issue: Reference to type 'Freezable' claims it is defined in 'WindowsBase' #2341 Mar 21, 2018 · The type ‘System. 2-alpha requires me to add reference to CoreCompat. Tasks, Version=0. Drawing'. 1 will be out of support in December, so you might as well install . 1, it started throwing elow error: The type 'TransactionScope' is defined in an assembly that is not referenced. info). Sep 9, 2024 · CS1061 'Image<Gray, byte>' does not contain a definition for 'ToBitmap' and no accessible extension method 'ToBitmap' accepting a first argument of type 'Image<Gray, byte>' could be found (are you missing a using directive or an assembly reference?). You must add a reference to assembly ‘netstandard, Version=2. Commom, but I installed and referenced it and it hasn’t solved my problem yet. dnycf ddev aacy lsi drwdr zdxtz cyp fpxeiw nqc bpnt gtu btvf nngyix bwqk eisgwpho