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Get CPU and GPU information in Blueprints with function library.

Hello, first I have to excuse myself because I don’t know that much about C++ but in my day job I am a Java-Developer, so I am not that foreign to programming concepts.

I am nearly finished with a project I am working on at the moment, but I need one more function and that is to get CPU and GPU information shown in a widget.
And it happens to be the first thing I need C++ for in my project.

I found this thread and tried to follow it. First of course I installed Visual Studio for the Unreal Engine etc.
Then I created a new function library class with the name “PlatformFunctions”.

After that I had two new files in the MyProject_Name\Source\MyProject_Name folder.

Here I added


#pragma once

#include "Kismet/BlueprintFunctionLibrary.h"
#include "PlatformFunctions.generated.h"

/**
*
*/
UCLASS()
class YOURPROJECTNAME_API UPlatformFunctions : public UBlueprintFunctionLibrary //add your project name
{
GENERATED_BODY()

public:

UFUNCTION(BlueprintPure, meta = (DisplayName = "Get CPU Brand Name", Keywords = "CPU brand"), Category = Game) //Set your category
static FString GetCPUBrandName();

UFUNCTION(BlueprintPure, meta = (DisplayName = "Get CPU Vendor Name", Keywords = "CPU vendor"), Category = Game)
static FString GetCPUVendorName();

UFUNCTION(BlueprintPure, meta = (DisplayName = "Get GPU Brand Name", Keywords = "GPU brand"), Category = Game)
static FString GetGPUBrandName();

UFUNCTION(BlueprintPure, meta = (DisplayName = "Get Number of CPU Cores", Keywords = "CPU cores"), Category = Game)
static int32 GetCPUCores();
};


into the PlatformFunctions.h file and


#include "ProjectName.h" //add your project name
#include "PlatformFunctions.h"


FString UPlatformFunctions::GetCPUBrandName()
{
return FWindowsPlatformMisc::GetCPUBrand();
}

FString UPlatformFunctions::GetCPUVendorName()
{
return FWindowsPlatformMisc::GetCPUVendor();
}

FString UPlatformFunctions::GetGPUBrandName()
{
return FWindowsPlatformMisc::GetPrimaryGPUBrand();
}

int32 UPlatformFunctions::GetCPUCores()
{
return FWindowsPlatformMisc::NumberOfCores();
}

into the PlatformFunctions.cpp file.

Now I tried to compile it via the compile button in the Unreal Engine but I’ve got many errors.

Next I guessed that I have to replace


#include "ProjectName.h" //add your project name

with my actual project name. So I did it:


#include "MyProject_Name.h" //add your project name

Next I replaced:



class YOURPROJECTNAME_API UPlatformFunctions : public UBlueprintFunctionLibrary //add your project name

with


class MyProject_Name_API UPlatformFunctions : public UBlueprintFunctionLibrary //add your project name

in the PlatformFunctions.h file.

But I still cannot compile it, I get the following ERRORS:


Using 'git status' to determine working set for adaptive non-unity build (E:\Unreal_Engine\MyProject_Name).
Building MyProject_NameEditor...
Using Visual Studio 2019 14.28.29913 toolchain (C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.28.29910) and Windows 10.0.19041.0 SDK (C:\Program Files (x86)\Windows Kits\10).
Building 5 actions with 16 processes...
[1/5] PlatformFunctions.cpp
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name\PlatformFunctions.h(10) : error C2079: 'UPlatformFunctions' uses undefined class 'MyProject_Name_API'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name\PlatformFunctions.h(10) : error C2143: syntax error: missing ';' before ':'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name\PlatformFunctions.h(10) : error C2059: syntax error: ':'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name\PlatformFunctions.h(10) : error C2059: syntax error: 'public'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name\PlatformFunctions.h(11) : error C2143: syntax error: missing ';' before '{'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name\PlatformFunctions.h(11) : error C2447: '{': missing function header (old-style formal list?)
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name\PlatformFunctions.cpp(5) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name\PlatformFunctions.cpp(10) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name\PlatformFunctions.cpp(15) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name\PlatformFunctions.cpp(20) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
[2/5] PlatformFunctions.gen.cpp
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name/PlatformFunctions.h(10) : error C2079: 'UPlatformFunctions' uses undefined class 'MyProject_Name_API'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name/PlatformFunctions.h(10) : error C2143: syntax error: missing ';' before ':'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name/PlatformFunctions.h(10) : error C2059: syntax error: ':'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name/PlatformFunctions.h(10) : error C2059: syntax error: 'public'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name/PlatformFunctions.h(11) : error C2143: syntax error: missing ';' before '{'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name/PlatformFunctions.h(11) : error C2447: '{': missing function header (old-style formal list?)
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(21) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(25) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(25) : error C3861: 'GetCPUCores': identifier not found
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(28) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(32) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(32) : error C3861: 'GetGPUBrandName': identifier not found
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(35) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(39) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(39) : error C3861: 'GetCPUVendorName': identifier not found
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(42) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(46) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(46) : error C3861: 'GetCPUBrandName': identifier not found
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(49) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(51) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(51) : error C2672: 'StaticClass': no matching overloaded function found
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(51) : error C2783: 'UClass *StaticClass(void)': could not deduce template argument for 'ClassType'
E:\Program Files\Epic Games\UE_4.26\Engine\Source\Runtime\CoreUObject\Public\UObject/ReflectedTypeAccessors.h(13): note: see declaration of 'StaticClass'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(53) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(54) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(55) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(56) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(204) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(204) : error C2672: 'StaticClass': no matching overloaded function found
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(204) : error C2783: 'UClass *StaticClass(void)': could not deduce template argument for 'ClassType'
E:\Program Files\Epic Games\UE_4.26\Engine\Source\Runtime\CoreUObject\Public\UObject/ReflectedTypeAccessors.h(13): note: see declaration of 'StaticClass'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(234) : error C2923: 'TCppClassTypeTraits': 'UPlatformFunctions' is not a valid template type argument for parameter 'CPPCLASS'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name/PlatformFunctions.h(10): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(234) : error C2955: 'TCppClassTypeTraits': use of class template requires template argument list
E:\Program Files\Epic Games\UE_4.26\Engine\Source\Runtime\CoreUObject\Public\UObject/Class.h(2453): note: see declaration of 'TCppClassTypeTraits'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(234) : error C4800: Implicit conversion from 'TCppClassTypeTraits<CPPCLASS>::<unnamed-enum-IsAbstract>' to bool. Possible information loss
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(235): note: consider using explicit cast or comparison to 0 to avoid this warning
E:\Program Files\Epic Games\UE_4.26\Engine\Source\Runtime\CoreUObject\Public\UObject/Class.h(2456): note: see declaration of 'TCppClassTypeTraits<CPPCLASS>::<unnamed-enum-IsAbstract>'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(235): warning C4305: 'initializing': truncation from 'TCppClassTypeTraits<CPPCLASS>::<unnamed-enum-IsAbstract>' to 'bool'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(237) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(237) : error C2440: 'initializing': cannot convert from 'overloaded-function' to 'UClass *(__cdecl *)(void)'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(237): note: None of the functions with this name in scope match the target type
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(260) : error C2923: 'TClassCompiledInDefer': 'UPlatformFunctions' is not a valid template type argument for parameter 'TClass'
E:\Unreal_Engine\MyProject_Name\Source\MyProject_Name/PlatformFunctions.h(10): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(260) : error C2514: 'TClassCompiledInDefer': class template cannot be constructed
E:\Program Files\Epic Games\UE_4.26\Engine\Source\Runtime\CoreUObject\Public\UObject/UObjectBase.h(291): note: see declaration of 'TClassCompiledInDefer'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(260) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(260) : error C3861: 'StaticPackage': identifier not found
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(260) : error C2065: 'StaticClassFlags': undeclared identifier
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(260) : error C2061: syntax error: identifier 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(262) : error C2912: explicit specialization 'UClass *StaticClass<UPlatformFunctions>(void)' is not a specialization of a function template
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(263) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(263) : error C2672: 'StaticClass': no matching overloaded function found
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(263) : error C2783: 'UClass *StaticClass(void)': could not deduce template argument for 'ClassType'
E:\Program Files\Epic Games\UE_4.26\Engine\Source\Runtime\CoreUObject\Public\UObject/ReflectedTypeAccessors.h(13): note: see declaration of 'StaticClass'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(265) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(265) : error C2664: 'FCompiledInDefer::FCompiledInDefer(UClass *(__cdecl *)(void),UClass *(__cdecl *)(void),const TCHAR *,const TCHAR *,bool,const TCHAR *,const TCHAR *,void (__cdecl *)(TMap<FName,FName,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<KeyType,ValueType,false>> &))': cannot convert argument 2 from 'UClass *(__cdecl *)(void)' to 'UClass *(__cdecl *)(void)'
with

KeyType=FName,
ValueType=FName
]
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(265): note: None of the functions with this name in scope match the target type
E:\Program Files\Epic Games\UE_4.26\Engine\Source\Runtime\CoreUObject\Public\UObject/UObjectBase.h(316): note: see declaration of 'FCompiledInDefer::FCompiledInDefer'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(266) : error C2027: use of undefined type 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.generated.h(103): note: see declaration of 'UPlatformFunctions'
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(266) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(266) : error C2550: '{ctor}': constructor initializer lists are only allowed on constructor definitions
E:\Unreal_Engine\MyProject_Name\Intermediate\Build\Win64\UE4Editor\Inc\MyProject_Name\PlatformFunctions.gen.cpp(266) : error C4508: '{ctor}': function should return a value; 'void' return type assumed


To give you as much information as possible, if you need it, here are my two C++ files:

I would be very grateful for any help!

xxxx_API is always in full capital letters.

Thank you very much, you are my hero of the week, it is working! By the way, very cool projects you are selling on the marketplace!