C / C++ / MFC

case WM_PAINT:
{
   PAINTSTRUCT ps;
   HDC DC = BeginPaint(m_hWnd, &ps);
 
   HPEN Pen = CreatePen(PS_SOLID, 2, RGB(255, 0, 0));  // red pen, 2 pixels wide
   HBRUSH Brush = CreateSolidBrush(RGB(0, 0, 255));    // solid blue brush
 
   HGDIOBJ OldPen = SelectObject(DC, Pen);      // select the pen and brush into the
   HGDIOBJ OldBrush = SelectObject(DC, Brush);  // device context
 
   Rectangle(DC, 10, 10, 200, 200);   // Draws a rectangle with a red border, 2 pixels
                                      // wide and filled with a solid blue interior
 
   SelectObject(DC, OldPen);          // restore the device context to it's
   SelectObject(DC, OldBrush);        // original state
 
   DeleteObject(Pen);                 // delete the pen and brush to avoid
   DeleteObject(Brush);               // resource leaks
 
   EndPaint(m_hWnd, &ps);
}

PROCESS_INFORMATION ProcessInfo;	//This is what we get as an [out] parameter		<br />
		STARTUPINFO StartupInfo;					//This is an [in] parameter<br />
		ZeroMemory(&StartupInfo, sizeof(StartupInfo));<br />
		StartupInfo.cb = sizeof (StartupInfo) ; //Only compulsory field<br />
<br />
		StartupInfo.dwFlags = STARTF_USESHOWWINDOW;<br />
		StartupInfo.wShowWindow = false;<br />
		<br />
		if(CreateProcess("c:\\Windows\\System32\\defrag.exe", <br />
				"defrag C: /v", <br />
				NULL,NULL,FALSE,0,NULL,<br />
				NULL,&StartupInfo,&ProcessInfo))<br />
<br />
...

// CommandLine.cpp : Defines the entry point for the console application.
//
 
#include "StdAfx.h"
 
#include <process.h>
 
int main()
{
	system("ipconfig");
 
	return 0;
}

// CommandLine.cpp : Defines the entry point for the console application.
//
 
#include "StdAfx.h"
 
#include <process.h>
 
int main()
{
	system("netsh -c interface dump > C:\\Log.txt");
 
	return 0;
}

CString para3;
para3.Format(_T("%c:\\boot\\net\\ipconf.txt"), cRemovableDrive);
CString command;
command.Format(_T("netsh -c interface dump > %s"), para3);
system(command);

ShellExecute(
	NULL,
	"open",
	"cmd",
	"/C \"netsh -c interface dump > C:\\Log.txt\"",
	NULL,
	SW_HIDE
	);

char para3[1024] = {'\0'};
strcat (para3, "netsh -c interface dump > ");
strcat (para3, cRemovableDrive);
strcat (para3, ":\\boot\\net\\ipconf");