How to install GDI+ SDK - c++

Question

I recently downloaded GDI+ SDK from the following link:
https://www.microsoft.com/en-us/download/confirmation.aspx?id=18909
I have it, but it simply extracts two folders, one of which contains no code at all, just the eula.
I am not sure what you call the files I was given here. I assumed they would be a library, and should just be #included. However, c++ seems a lot less straight forward as to importing things(Java seemed a lot clearer to me on how to use external code). Then again, maybe I just haven't found that essential tutorial yet.
Either way, I am at a loss on how to incorporate GDI+ into my code.
The following site (https://msdn.microsoft.com/en-us/library/system.drawing.image(v=vs.110).aspx) says plainly that System.Drawing is a namespace, which to my knowledge is in GDI+. I have the following code:
#include "C:\GDI+\asms\10\msft\windows\gdiplus\gdiplus.dll"
#include <stdafx.h>
#include <windows.h>
#include <objidl.h>
#include <gdiplus.h>
When trying to code the following:
using namespace System.Drawing;
I get the error: Must be a namespace name.
How should I install the SDK files so that I can use them in my projects?
Clearly, I am not doing something right.

Answer 1

#include is for header files only, cannot be used to add *.dll files.
using namespace System.Drawing; is for .Net, C++ doesn't know what it is
In Visual Studio use this to link to library:
#pragma comment( lib, "Gdiplus.lib" )
You also need Gdi startup and shut down.
//#pragma warning( push ) optional
//#pragma warning( disable : 4458 )
#include <gdiplus.h>
//#pragma warning( pop )
//link to library:
#pragma comment( lib, "Gdiplus.lib" )
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE, LPTSTR, int)
{
Gdiplus::GdiplusStartupInput gdiplusStartupInput;
ULONG_PTR gdiplusToken;
Gdiplus::GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
//do stuff
Gdiplus::GdiplusShutdown(gdiplusToken);
return 0;
}