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Compilation error when importing .net type library
XmlSerializer - There was an error reflecting typeWhen to use dynamic vs. static librariesTrouble using .NET DLL in Borland C++ Builder 4Using a .NET COM DLL in C++ Builder 4 - Ambiguity between Strings and System::StringsHow do I fix the Visual Studio compile error, “mismatch between processor architecture”?Accessing COM-dll via imported type library failsHow to programmatically register (set correct path to) a type library from within .NET?C# : Unmanaged delegate in structs, and other unmanaged problems by wrapping the vulkan API dllProblems importing Microsoft.Sharepoint.Client.Dll into DelphiWhat is the difference between .NET Core and .NET Standard Class Library project types?
I'm trying to use a third party .net dll in C++Builder (10.3).
I create a .tlb file for the dll with regasm.exe. Then I go to 'Import a Type Library' and choose the .tlb that has been registered, and then choose to install into a new package.
When building the package, I get errors in the generated file mscorlib_TLB.h (I have no experince of .net, but I understand mscorlib is a base class needed in .net).
Here are some of the error messages and the source lines:
[bcc32c Error] mscorlib_TLB.h(2321): declaration of anonymous struct must be a definition:
interface DECLSPEC_UUID("84E7AC09-795A-3EA9-A36A-5B81EBAB0558") _Nullable;
[bcc32c Error] mscorlib_TLB.h(2322): expected a type:
typedef TComInterface<_Nullable, &IID__Nullable> _NullablePtr;
[bcc32c Error] mscorlib_TLB.h(4426): C++ requires a type specifier for all declarations:
typedef _Nullable Nullable;
[bcc32c Error] mscorlib_TLB.h(4426): nullability specifier '_Nullable' cannot be applied to non-pointer type 'int':
typedef _Nullable Nullable;
[bcc32c Error] mscorlib_TLB.h(12060): declaration of anonymous struct must be a definition:
interface _Nullable : public IDispatch
[bcc32c Error] mscorlib_TLB.h(22823): expected ')'
mscorlib_TLB.h(22822): to match this '(':
virtual HRESULT STDMETHODCALLTYPE MarshaledObject(VARIANT obj/*[in]*/,
Mscorlib_tlb::_ObjRef* or/*[in]*/) = 0; // [-1]
I've also tried to import the .net dll with 'Import .NET Assembly', but that gives me 'OLE Error'.
Any idea what I'm missing?
.net dll c++builder
asked 12 hours ago
TomasTomas
33
add a comment |
I'm trying to use a third party .net dll in C++Builder (10.3).
I create a .tlb file for the dll with regasm.exe. Then I go to 'Import a Type Library' and choose the .tlb that has been registered, and then choose to install into a new package.
When building the package, I get errors in the generated file mscorlib_TLB.h (I have no experince of .net, but I understand mscorlib is a base class needed in .net).
Here are some of the error messages and the source lines:
[bcc32c Error] mscorlib_TLB.h(2321): declaration of anonymous struct must be a definition:
interface DECLSPEC_UUID("84E7AC09-795A-3EA9-A36A-5B81EBAB0558") _Nullable;
[bcc32c Error] mscorlib_TLB.h(2322): expected a type:
typedef TComInterface<_Nullable, &IID__Nullable> _NullablePtr;
[bcc32c Error] mscorlib_TLB.h(4426): C++ requires a type specifier for all declarations:
typedef _Nullable Nullable;
[bcc32c Error] mscorlib_TLB.h(4426): nullability specifier '_Nullable' cannot be applied to non-pointer type 'int':
typedef _Nullable Nullable;
[bcc32c Error] mscorlib_TLB.h(12060): declaration of anonymous struct must be a definition:
interface _Nullable : public IDispatch
[bcc32c Error] mscorlib_TLB.h(22823): expected ')'
mscorlib_TLB.h(22822): to match this '(':
virtual HRESULT STDMETHODCALLTYPE MarshaledObject(VARIANT obj/*[in]*/,
Mscorlib_tlb::_ObjRef* or/*[in]*/) = 0; // [-1]
I've also tried to import the .net dll with 'Import .NET Assembly', but that gives me 'OLE Error'.
Any idea what I'm missing?
.net dll c++builder
asked 12 hours ago
TomasTomas
33
Your compiler just can't handle mscorlib.tlb. Requiring it to use your .NET assembly is not pretty and should always be avoided. You need to go back to your C# code and make it better. We can't see it but you need to declare the interface explicitly and make your C# class [ClassInterface(ClassInterfaceType.None)].
– Hans Passant
10 hours ago
add a comment |
I'm trying to use a third party .net dll in C++Builder (10.3).
I create a .tlb file for the dll with regasm.exe. Then I go to 'Import a Type Library' and choose the .tlb that has been registered, and then choose to install into a new package.
When building the package, I get errors in the generated file mscorlib_TLB.h (I have no experince of .net, but I understand mscorlib is a base class needed in .net).
Here are some of the error messages and the source lines:
[bcc32c Error] mscorlib_TLB.h(2321): declaration of anonymous struct must be a definition:
interface DECLSPEC_UUID("84E7AC09-795A-3EA9-A36A-5B81EBAB0558") _Nullable;
[bcc32c Error] mscorlib_TLB.h(2322): expected a type:
typedef TComInterface<_Nullable, &IID__Nullable> _NullablePtr;
[bcc32c Error] mscorlib_TLB.h(4426): C++ requires a type specifier for all declarations:
typedef _Nullable Nullable;
[bcc32c Error] mscorlib_TLB.h(4426): nullability specifier '_Nullable' cannot be applied to non-pointer type 'int':
typedef _Nullable Nullable;
[bcc32c Error] mscorlib_TLB.h(12060): declaration of anonymous struct must be a definition:
interface _Nullable : public IDispatch
[bcc32c Error] mscorlib_TLB.h(22823): expected ')'
mscorlib_TLB.h(22822): to match this '(':
virtual HRESULT STDMETHODCALLTYPE MarshaledObject(VARIANT obj/*[in]*/,
Mscorlib_tlb::_ObjRef* or/*[in]*/) = 0; // [-1]
I've also tried to import the .net dll with 'Import .NET Assembly', but that gives me 'OLE Error'.
Any idea what I'm missing?
.net dll c++builder
asked 12 hours ago
TomasTomas
33
I'm trying to use a third party .net dll in C++Builder (10.3).
I create a .tlb file for the dll with regasm.exe. Then I go to 'Import a Type Library' and choose the .tlb that has been registered, and then choose to install into a new package.
When building the package, I get errors in the generated file mscorlib_TLB.h (I have no experince of .net, but I understand mscorlib is a base class needed in .net).
Here are some of the error messages and the source lines:
[bcc32c Error] mscorlib_TLB.h(2321): declaration of anonymous struct must be a definition:
interface DECLSPEC_UUID("84E7AC09-795A-3EA9-A36A-5B81EBAB0558") _Nullable;
[bcc32c Error] mscorlib_TLB.h(2322): expected a type:
typedef TComInterface<_Nullable, &IID__Nullable> _NullablePtr;
[bcc32c Error] mscorlib_TLB.h(4426): C++ requires a type specifier for all declarations:
typedef _Nullable Nullable;
[bcc32c Error] mscorlib_TLB.h(4426): nullability specifier '_Nullable' cannot be applied to non-pointer type 'int':
typedef _Nullable Nullable;
[bcc32c Error] mscorlib_TLB.h(12060): declaration of anonymous struct must be a definition:
interface _Nullable : public IDispatch
[bcc32c Error] mscorlib_TLB.h(22823): expected ')'
mscorlib_TLB.h(22822): to match this '(':
virtual HRESULT STDMETHODCALLTYPE MarshaledObject(VARIANT obj/*[in]*/,
Mscorlib_tlb::_ObjRef* or/*[in]*/) = 0; // [-1]
I've also tried to import the .net dll with 'Import .NET Assembly', but that gives me 'OLE Error'.
Any idea what I'm missing?
.net dll c++builder
.net dll c++builder
asked 12 hours ago
TomasTomas
33
asked 12 hours ago
TomasTomas
33
asked 12 hours ago
TomasTomas
33
asked 12 hours ago
TomasTomas
33
asked 12 hours ago
TomasTomas
33
33
Your compiler just can't handle mscorlib.tlb. Requiring it to use your .NET assembly is not pretty and should always be avoided. You need to go back to your C# code and make it better. We can't see it but you need to declare the interface explicitly and make your C# class [ClassInterface(ClassInterfaceType.None)].
– Hans Passant
10 hours ago
add a comment |
Your compiler just can't handle mscorlib.tlb. Requiring it to use your .NET assembly is not pretty and should always be avoided. You need to go back to your C# code and make it better. We can't see it but you need to declare the interface explicitly and make your C# class [ClassInterface(ClassInterfaceType.None)].
– Hans Passant
10 hours ago
Your compiler just can't handle mscorlib.tlb. Requiring it to use your .NET assembly is not pretty and should always be avoided. You need to go back to your C# code and make it better. We can't see it but you need to declare the interface explicitly and make your C# class [ClassInterface(ClassInterfaceType.None)].
– Hans Passant
10 hours ago
Your compiler just can't handle mscorlib.tlb. Requiring it to use your .NET assembly is not pretty and should always be avoided. You need to go back to your C# code and make it better. We can't see it but you need to declare the interface explicitly and make your C# class [ClassInterface(ClassInterfaceType.None)].
– Hans Passant
10 hours ago
add a comment |
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Your compiler just can't handle mscorlib.tlb. Requiring it to use your .NET assembly is not pretty and should always be avoided. You need to go back to your C# code and make it better. We can't see it but you need to declare the interface explicitly and make your C# class [ClassInterface(ClassInterfaceType.None)].
– Hans Passant
10 hours ago