How do I convert this piece of code in C# to make it work in C++?

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C++

VisualC++

CLI

Hi guys, my aim is to capture the screen of a windows form using c++/cli. Below is the code to capture the window, however, it is in C#. What changes do I have to make to the code for it to work in c++?

Graphics myGraphics = this.CreateGraphics();
       Size s = this.Size;
       memoryImage = new Bitmap(s.Width, s.Height, myGraphics);
       Graphics memoryGraphics = Graphics.FromImage(memoryImage);
       memoryGraphics.CopyFromScreen(this.Location.X, this.Location.Y, 0, 0, s);

What I have tried:

I've tried using the code below in c++, however, I get errors for the parts in bold.
For the first bold part, I get an error that says expected a ; after Size, for the graphics error, it says type name is not allowed .

Graphics^ myGraphics = this->CreateGraphics();
	Size s = this->Size;
	memoryImage = gcnew Bitmap(s->Width, s->Height, myGraphics);
	Graphics^ memoryGraphics = Graphics->FromImage(memoryImage);
	memoryGraphics->CopyFromScreen(this->Location.X, this->Location.Y, 0, 0, s);