C++ Fatal Error LNK1120: 1 unresolved externals
Solution 1
From msdn
When you created the project, you made the wrong choice of application type. When asked whether your project was a console application or a windows application or a DLL or a static library, you made the wrong chose windows application (wrong choice).
Go back, start over again, go to File -> New -> Project -> Win32 Console Application -> name your app -> click next -> click application settings.
For the application type, make sure Console Application is selected (this step is the vital step).
The main for a windows application is called WinMain, for a DLL is called DllMain, for a .NET application is called Main(cli::array ^), and a static library doesn't have a main. Only in a console app is main called main
Solution 2
I incurred this error once.
It turns out I had named my program ProgramMame.ccp instead of ProgramName.cpp
easy to do ...
Hope this may help
Solution 3
My problem was int Main() instead of int main()
good luck
Solution 4
Well it seems that you are missing a reference to some library. I had the similar error solved it by adding a reference to the #pragma comment(lib, "windowscodecs.lib")
Solution 5
In my case, the argument type was different in the header file and .cpp file. In the header file the type was std::wstring
and in the .cpp file it was LPCWSTR
.
Howdy_McGee
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Updated on July 09, 2022Comments
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Howdy_McGee almost 2 years
What is causing this error? I google'd it and first few solutions I found were that something was wrong with the library and the main function but both seem to be fine in my problem, I even retyped both! What could be causing this?
This might be helpful:
MSVCRTD.lib(crtexew.obj) : error LNK2019: unresolved external symbol WinMain@16 referenced in function __tmainCRTStartup
#include <iostream> using namespace std; int main() { const double A = 15.0, B = 12.0, C = 9.0; double aTotal, bTotal, cTotal, total; int numSold; cout << "Enter The Number of Class A Tickets Sold: "; cin >> numSold; aTotal = numSold * A; cout << "Enter The Number of Class B Tickets Sold: "; cin >> numSold; bTotal = numSold * B; cout << "Enter The Number of Class C Tickets Sold: "; cin >> numSold; cTotal = numSold * C; total = aTotal + bTotal + cTotal; cout << "Income Generated" << endl; cout << "From Class A Seats $" << aTotal << endl; cout << "From Class B Seats $" << bTotal << endl; cout << "From Class C Seats $" << cTotal << endl; cout << "-----------------------" << endl; cout << "Total Income: " << total << endl; return 0; }
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Howdy_McGee almost 13 yearsHA! Your right I clicked the one below it ~ Looks exactly the same though how can you tell?