C++ Automation Program to Auto Screen Capture and Save Screenshots as PNG File EXE (Executable) Full Project For Beginners







#include <stdio.h>
#include <string>
#include <windows.h>
#include <wininet.h>
#include <winuser.h>
#include <conio.h>
#include <time.h>
#include <fstream>
#include <strsafe.h>
#include <io.h>
#include <crtdefs.h>
#include <fstream>
#include <GdiPlus.h>
#include <lmcons.h>

//char acUserName[100];

using namespace Gdiplus;
using namespace std;

fstream err("errormul.txt",ios::app);
fstream log_error_file("log_error.txt",ios::app);

#pragma comment(lib, "user32.lib") 
#pragma comment(lib,"Wininet.lib")
#pragma comment (lib,"gdiplus.lib")

void screenshot(string file){
    ULONG_PTR gdiplustoken;
    GdiplusStartupInput gdistartupinput;
    GdiplusStartupOutput gdistartupoutput;

    gdistartupinput.SuppressBackgroundThread = true;
    GdiplusStartup(& gdiplustoken,& gdistartupinput,& gdistartupoutput); //start GDI+

    HDC dc=GetDC(GetDesktopWindow());//get desktop content
    HDC dc2 = CreateCompatibleDC(dc);    //copy context

    RECT rc0kno;  // rectangle  Object

    GetClientRect(GetDesktopWindow(),&rc0kno);// get desktop size;
    int w = rc0kno.right-rc0kno.left;//width
    int h = rc0kno.bottom-rc0kno.top;//height

    HBITMAP hbitmap = CreateCompatibleBitmap(dc,w,h);  //create bitmap
    HBITMAP holdbitmap = (HBITMAP) SelectObject(dc2,hbitmap);

    BitBlt(dc2, 0, 0, w, h, dc, 0, 0, SRCCOPY);  //copy pixel from pulpit to bitmap
    Bitmap* bm= new Bitmap(hbitmap,NULL);

    UINT num;
    UINT size;

    ImageCodecInfo *imagecodecinfo;
    GetImageEncodersSize(&num,&size); //get count of codec

    imagecodecinfo = (ImageCodecInfo*)(malloc(size));
    GetImageEncoders (num,size,imagecodecinfo);//get codec

    CLSID clsidEncoder;

    for(int i=0; i < num; i++)
            clsidEncoder = imagecodecinfo[i].Clsid;   //get jpeg codec id



    wstring ws;
    ws.assign(file.begin(),file.end());  //sring to wstring
    bm->Save(ws.c_str(),& clsidEncoder);   //save in jpeg format
    SelectObject(dc2,holdbitmap);  //Release Objects



int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int CmdShow)
    SYSTEMTIME st;  // create object of system time 
    int year = st.wYear;  // extract year from system time
    int month = st.wMonth; // extract month from system time
    int day = st.wDay; // extract year day system time
    int hour = st.wHour; // extract year hours system time
    int mintue = st.wMinute; // extract mintue from system time

    string yearS =  to_string(year);
    yearS += "_";
    string monthS =  to_string(month);
    monthS += "-";
    string dayS =  to_string(day);
    dayS += "-";
    string hourS =  to_string(hour);
    hourS += "H-";
    string mintueS =  to_string(mintue);
    mintueS += "M.jpg";

    string startDate;
    startDate =dayS + monthS + yearS + hourS + mintueS;  // create complete string of date and time
    screenshot(startDate);   // send string to screenshot function
    Sleep(1000*30*1);  // delay execution of function 60 Seconds


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