робота с HWND

ShellExecute(hwnd,TEXT("open"), TEXT("d:\\txt.txt"), NULL, NULL,SW_SHOWNORMAL);

 wchar_t Buffer[20];
    swprintf( Buffer, L"%#p", hwnd );
    
    fputws(Buffer,file);

swprintf( Buffer, L"%#p", hwnd );
cout<<Buffer;

int _tmain(int argc, _TCHAR* argv[])
{
    int a = 42;
    int *hwnd = &a;
    wchar_t Buffer[20];
    swprintf( Buffer, L"%#p", hwnd );
    FILE* file = fopen( "test.out", "w" );
    fputws(Buffer,file);
    fclose( file );
    return 0;
}

int _tmain(int argc, _TCHAR* argv[])

int main()

#include <windows.h>
#include <iostream>
#include <conio.h>
#include <process.h>
#include <stdio.h>
#include <time.h>
 
using namespace std;
HWND hwnd;
int print(HWND hwnd);
 
unsigned __stdcall potok(void* Param)
{
        static int *p = (int*)Param;
        char buffer[150];
        wsprintf(buffer,"%u",*p);
        MessageBox(0,buffer,"Тест",0); 
        _endthreadex(0);
        return 0;
}
 
int print(HWND hwnd)
{
    errno_t err;
    FILE* file; 
    
    if((err = fopen_s(&file,"d:\\resultat.txt","w")) != 0)
    {
        cout << "file ne vidkrutuj" << "\n";
        
    }
    else
    {
        cout << "file vidkrutuj" << "\n";
    }
    const time_t timer = time(NULL);
    printf("%s\n", ctime(&timer));
 
    wchar_t Buffer[200];
    swprintf( Buffer, L"%ls------", hwnd );
    
    fputws(Buffer,file);
    fputs(ctime(&timer),file);
    fclose (file);
    return 0;
}
 
int main (void)
{
//------------------ПОТОКИ-------------------
    for(int i  = 0; i < 10; i++)
    {
        Sleep(5);//мс
        _beginthreadex (NULL,0,&potok, &i ,0, NULL);  // передаю змінну i в потік
    } 
    SetPriorityClass(GetCurrentProcess(), REALTIME_PRIORITY_CLASS);
    
    //GetThreadPriority
    DWORD priority;
    priority = GetThreadPriority( GetCurrentThread() );
    cout<<priority<<endl;
    
//--------------------------------------------
 
//ShellExecute
ShellExecute(hwnd,TEXT("open"), TEXT("d:\\txt.txt"), NULL, NULL,SW_SHOWNORMAL); 
 
int a = print(hwnd);
 
//CreateProcess
HANDLE hProc=NULL;
STARTUPINFO SProcess;
PROCESS_INFORMATION ProcInfo;
ZeroMemory( &SProcess, sizeof(SProcess) );
SProcess.cb = sizeof(SProcess);
ZeroMemory( &ProcInfo, sizeof(ProcInfo) );
CreateProcess( NULL,"\"c:\\windows\\system32\\calc.exe\"",  NULL,NULL,FALSE,0,NULL,NULL,&SProcess,&ProcInfo );
WaitForSingleObject( ProcInfo.hProcess, INFINITE );
CloseHandle( ProcInfo.hProcess );
CloseHandle( ProcInfo.hThread );
 
//OpenProcess
hProc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, ProcInfo.dwProcessId);  
 
//GetCurrentProcessId
DWORD ID = GetCurrentProcessId(); //бере ід процеса проекта ехе віжуала, лаби
if(!ID)
{
cout<<"Could not get ID";
}
else
{
cout<<"ID: "<<ID<<"\n";
getch();
}
 
//SetPriorityClass
SetPriorityClass (hProc, HIGH_PRIORITY_CLASS);
 
//TerminateProcess
TerminateProcess(hProc,0);
 
//close Handle
CloseHandle(hProc);
 
//TerminateThread
TerminateThread(hProc,0);
 
return 0;
}