Do screenshot in C++/CLI

Question

I use windows 7 and VS2010. I write a piece of C++/CLI code to do measurements, during which I want to make screenshot.

I have tried screenshot method in C++ (using GDI library), but failed to compile the file. So I suppose the GDI library could not be used in C++/CLI. How to do screenshot and paste to a word in C++/CLI project?

Here is the code:

#include "stdafx.h"

using namespace System;
using namespace System::IO;

int main(array<System::String ^> ^args)
{

String^ fileName = "AP_result.doc";

StreamWriter^ sw = gcnew StreamWriter(fileName);
 ...
sw->Close();
 return 0;
}

I have tried Slawomir Orlowski's method but error occurs:

error

score 0 · Answer 1 · answered Jan 16 '19 at 17:19

0

As explained here

https://stackoverflow.com/a/3291411

you need to get context of screen, then put it in bitmap file, it's better explained in answer above, so check answers and comments

answered Jan 16 '19 at 17:19

Edin Hajdarevic

92
1
9

thanks. I have tried all code in that page, but none of them work for me. I use C++/CLI. In that page, people use C++. – Bill Jan 17 '19 at 07:01

score 0 · Accepted Answer · answered Jan 17 '19 at 07:53

0

C++/CLI code for screen shot:

using namespace System;
using namespace System::Windows;
using namespace System::Windows::Forms;
using namespace System::Drawing;
using namespace System::Drawing::Imaging;


int main(array<System::String ^> ^args)
{
    Screen^ r = System::Windows::Forms::Screen::PrimaryScreen;
    int width = r->Bounds.Width;
    int height = r->Bounds.Height;

    Bitmap^ bmp = gcnew Bitmap(width, height, PixelFormat::Format32bppArgb);
    Graphics^ screen = Graphics::FromImage(bmp);
    screen->CopyFromScreen(0,0,0,0, Size(width, height), CopyPixelOperation::SourceCopy);
    bmp->Save("screenshot.bmp");      
    return 0;
}

In your project you have to add few references: System.Drawing, System.Windows, System.Windows.Forms.

answered Jan 17 '19 at 07:53

Slawomir Orlowski

362
1
13

Method works fine for me. I have tested it. What kind of error did you get? – Slawomir Orlowski Jan 17 '19 at 08:03
Please see my updated question, which list the error using your method. – Bill Jan 17 '19 at 08:07
Mate, you have to add additional rederences to your project: System.Drawing, System.Windows, System.Windows.Forms. I have already written this in my answer. Right click on references in project->Add references... In Assemblies tip: System.Drawing, System.Windows and System.Windows.Forms. Did you do it? – Slawomir Orlowski Jan 17 '19 at 08:15
Thanks, bro, it worked well after adding references. – Bill Jan 17 '19 at 08:27

Do screenshot in C++/CLI

2 Answers2