com.sun.jna.platform.win32.WinDef.DWORD Java Examples

public static List<ProcessInfo> allProcesses() {
  List<ProcessInfo> processList = new ArrayList<ProcessInfo>();

  HANDLE snapshot = Kernel32.INSTANCE.CreateToolhelp32Snapshot(
      Tlhelp32.TH32CS_SNAPPROCESS, new DWORD(0));

  try {
    Tlhelp32.PROCESSENTRY32.ByReference pe
        = new Tlhelp32.PROCESSENTRY32.ByReference();
    for (boolean more = Kernel32.INSTANCE.Process32First(snapshot, pe);
         more;
         more = Kernel32.INSTANCE.Process32Next(snapshot, pe)) {
      int pid = pe.th32ProcessID.intValue();
      String name = getProcessImageName(pe.th32ProcessID.intValue());
      if (null == name) {
        continue;
      }
      processList.add(new ProcessInfo(pid, name));
    }
    return processList;
  } finally {
    Kernel32.INSTANCE.CloseHandle(snapshot);
  }
}
 

/**
 * Sends an action (flags) at the given x,y coordinates.
 * 
 * @param x
 * @param y
 * @param flags
 */
public static void mouseAction(int x, int y, int flags) {
	INPUT input = new INPUT();

	input.type = new DWORD(INPUT.INPUT_MOUSE);
	input.input.setType("mi");
	if (x != -1) {
		input.input.mi.dx = new LONG(x);
	}
	if (y != -1) {
		input.input.mi.dy = new LONG(y);
	}
	input.input.mi.time = new DWORD(0);
	input.input.mi.dwExtraInfo = new ULONG_PTR(0);
	input.input.mi.dwFlags = new DWORD(flags);
	User32.INSTANCE.SendInput(new DWORD(1), new INPUT[] { input }, input.size());
}
 

private List<WinProcess> getChildren() throws IOException {
	ArrayList<WinProcess> result = new ArrayList<WinProcess>();
	
	WinNT.HANDLE hSnap = this.kernel32lib.CreateToolhelp32Snapshot(Kernel32Lib.TH32CS_SNAPPROCESS, new DWORD(0));
	Kernel32Lib.PROCESSENTRY32.ByReference ent = new Kernel32Lib.PROCESSENTRY32.ByReference();
	if (!this.kernel32lib.Process32First(hSnap, ent)) {
		return result;
	}
	do {
		if (ent.th32ParentProcessID.intValue() == this.pid) {
			try {
				result.add(new WinProcess(ent.th32ProcessID.intValue()));
			}
			catch (IOException e) {
				System.err.println("WinProcess::getChildren, IOException " + e);
			}
		}
	}
	while (this.kernel32lib.Process32Next(hSnap, ent));
	
	Kernel32.INSTANCE.CloseHandle(hSnap);
	
	return result;
}
 

static long findProcessID( String processName )
{
    Tlhelp32.PROCESSENTRY32.ByReference processInfo = new Tlhelp32.PROCESSENTRY32.ByReference();
    WinNT.HANDLE processSnapshotHandle =
                    kernel32.CreateToolhelp32Snapshot( Tlhelp32.TH32CS_SNAPPROCESS, new DWORD( 0L ) );

    try
    {
        kernel32.Process32First( processSnapshotHandle, processInfo );

        if ( processName.equals( Native.toString( processInfo.szExeFile ) ) )
        {
            return processInfo.th32ProcessID.longValue();
        }

        while ( kernel32.Process32Next( processSnapshotHandle, processInfo ) )
        {
            if ( processName.equals( Native.toString( processInfo.szExeFile ) ) )
            {
                return processInfo.th32ProcessID.longValue();
            }
        }

        return 0L;

    }
    finally
    {
        kernel32.CloseHandle( processSnapshotHandle );
    }
}
 

/**
 * Sends a key-down input followed by a key-up input for the given character
 * value c.
 * 
 * @param c
 */
public static void pressKey(int c) {
	INPUT input = new INPUT();
	input.type = new DWORD(INPUT.INPUT_KEYBOARD);
	input.input.setType("ki");
	input.input.ki.wScan = new WORD(0);
	input.input.ki.time = new DWORD(0);
	input.input.ki.dwExtraInfo = new ULONG_PTR(0);
	input.input.ki.wVk = new WORD(c);
	input.input.ki.dwFlags = new DWORD(KEYEVENTF_KEYDOWN);
	User32.INSTANCE.SendInput(new DWORD(1), (INPUT[]) input.toArray(1), input.size());
	input.input.ki.wVk = new WORD(c);
	input.input.ki.dwFlags = new DWORD(KEYEVENTF_KEYUP);
	User32.INSTANCE.SendInput(new DWORD(1), (INPUT[]) input.toArray(1), input.size());
}
 

/**
 * Sends a key-down input for the given character value c.
 * 
 * @param c
 */
public static void sendKeyDown(int c) {
	INPUT input = new INPUT();
	input.type = new DWORD(INPUT.INPUT_KEYBOARD);
	input.input.setType("ki");
	input.input.ki.wScan = new WORD(0);
	input.input.ki.time = new DWORD(0);
	input.input.ki.dwExtraInfo = new ULONG_PTR(0);
	input.input.ki.wVk = new WORD(c);
	input.input.ki.dwFlags = new DWORD(KEYEVENTF_KEYDOWN);
	User32.INSTANCE.SendInput(new DWORD(1), (INPUT[]) input.toArray(1), input.size());
}
 

/**
 * Sends a key-up input for the given character value c.
 * 
 * @param c
 */
public static void sendKeyUp(int c) {
	INPUT input = new INPUT();
	input.type = new DWORD(INPUT.INPUT_KEYBOARD);
	input.input.setType("ki");
	input.input.ki.wScan = new WORD(0);
	input.input.ki.time = new DWORD(0);
	input.input.ki.dwExtraInfo = new ULONG_PTR(0);
	input.input.ki.wVk = new WORD(c);
	input.input.ki.dwFlags = new DWORD(KEYEVENTF_KEYUP);
	User32.INSTANCE.SendInput(new DWORD(1), (INPUT[]) input.toArray(1), input.size());
}
 

public Win32Process(String filePath, String fileName, BufferedImage icon, DWORD th32ProcessID) {
    this.filePath = filePath;
    this.fileName = fileName;
    this.icon = icon;
    this.th32ProcessID = th32ProcessID;
}
 

public PROCESSENTRY32() {
	dwSize = new WinDef.DWORD(size());
}
 

/**
 * Takes a snapshot of the specified processes, as well as the heaps, modules, and threads used by these processes.
 *
 * @param dwFlags       The portions of the system to be included in the snapshot.
 * @param th32ProcessID The process identifier of the process to be included in the snapshot. This parameter can be zero to indicate
 *                      the current process. This parameter is used when the TH32CS_SNAPHEAPLIST, TH32CS_SNAPMODULE,
 *                      TH32CS_SNAPMODULE32, or TH32CS_SNAPALL value is specified. Otherwise, it is ignored and all processes are
 *                      included in the snapshot.
 *                      <p/>
 *                      If the specified process is the Idle process or one of the CSRSS processes, this function fails and the last
 *                      error code is ERROR_ACCESS_DENIED because their access restrictions prevent user-level code from opening them.
 *                      <p/>
 *                      If the specified process is a 64-bit process and the caller is a 32-bit process, this function fails and the
 *                      last error code is ERROR_PARTIAL_COPY (299).
 * @return If the function succeeds, it returns an open handle to the specified snapshot.
 * <p/>
 * If the function fails, it returns INVALID_HANDLE_VALUE. To get extended error information, call GetLastError.
 * Possible error codes include ERROR_BAD_LENGTH.
 */
public WinNT.HANDLE CreateToolhelp32Snapshot(WinDef.DWORD dwFlags, WinDef.DWORD th32ProcessID);
 

/**
 * Controls whether the system will handle the specified types of serious errors or whether the process will handle them.
 * See: http://msdn.microsoft.com/en-us/library/ms680621%28VS.85%29.aspx
 *
 * @param uMode The process error mode. This parameter can be one or more of the following values.
 */
public int SetErrorMode(DWORD uMode);
 

DWORD GetPixel(HDC hdc, int nXPos, int nYPos); 

HANDLE CreateSolidBrush(DWORD crColor);