/// <summary> /// Remove the window from "Alt + TAB list". /// </summary> /// <param name="window">The window</param> /// <param name="NoActivate">No activate (get focus)</param> public static void WindowMissFromMission(Window window, bool NoActivate) { WindowInteropHelper helper = new WindowInteropHelper(window); long old = WinAPIWrapper.GetWindowLong(helper.Handle, WinAPIWrapper.GWL_EXSTYLE); old |= WinAPIWrapper.WS_EX_TOOLWINDOW; if (NoActivate) { old |= WinAPIWrapper.WS_EX_NOACTIVATE; } Console.WriteLine("Remove the window from Alt+TAB list" + WinAPIWrapper.SetWindowLong(helper.Handle, WinAPIWrapper.GWL_EXSTYLE, (IntPtr)old)); }
/// <summary> /// This function reads and parses the active TCP socket connections available /// and stores them in a list. /// </summary> /// <returns> /// It returns the current set of TCP socket connections which are active. /// </returns> /// <exception cref="OutOfMemoryException"> /// This exception may be thrown by the function Marshal.AllocHGlobal when there /// is insufficient memory to satisfy the request. /// </exception> public static List <TcpProcessRecord> GetAllTcpConnections() { int bufferSize = 0; List <TcpProcessRecord> tcpTableRecords = new List <TcpProcessRecord>(100); // Getting the size of TCP table, that is returned in 'bufferSize' variable. uint result = WinAPIWrapper.GetExtendedTcpTable(IntPtr.Zero, ref bufferSize, true, AF_INET, TcpTableClass.TCP_TABLE_OWNER_PID_ALL); // Allocating memory from the unmanaged memory of the process by using the // specified number of bytes in 'bufferSize' variable. IntPtr tcpTableRecordsPtr = Marshal.AllocHGlobal(bufferSize); try { // The size of the table returned in 'bufferSize' variable in previous // call must be used in this subsequent call to 'GetExtendedTcpTable' // function in order to successfully retrieve the table. result = WinAPIWrapper.GetExtendedTcpTable(tcpTableRecordsPtr, ref bufferSize, true, AF_INET, TcpTableClass.TCP_TABLE_OWNER_PID_ALL); // Non-zero value represent the function 'GetExtendedTcpTable' failed, // hence empty list is returned to the caller function. if (result != 0) { return(new List <TcpProcessRecord>()); } // Marshals data from an unmanaged block of memory to a newly allocated // managed object 'tcpRecordsTable' of type 'MIB_TCPTABLE_OWNER_PID' // to get number of entries of the specified TCP table structure. MIB_TCPTABLE_OWNER_PID tcpRecordsTable = (MIB_TCPTABLE_OWNER_PID) Marshal.PtrToStructure(tcpTableRecordsPtr, typeof(MIB_TCPTABLE_OWNER_PID)); IntPtr tableRowPtr = (IntPtr)((long)tcpTableRecordsPtr + Marshal.SizeOf(tcpRecordsTable.dwNumEntries)); // Reading and parsing the TCP records one by one from the table and // storing them in a list of 'TcpProcessRecord' structure type objects. for (int row = 0; row < tcpRecordsTable.dwNumEntries; row++) { MIB_TCPROW_OWNER_PID tcpRow = (MIB_TCPROW_OWNER_PID)Marshal. PtrToStructure(tableRowPtr, typeof(MIB_TCPROW_OWNER_PID)); tcpTableRecords.Add(new TcpProcessRecord(tcpRow.localAddr, tcpRow.remoteAddr, BitConverter.ToUInt16(new byte[2] { tcpRow.localPort[1], tcpRow.localPort[0] }, 0), BitConverter.ToUInt16(new byte[2] { tcpRow.remotePort[1], tcpRow.remotePort[0] }, 0), tcpRow.owningPid, tcpRow.state)); tableRowPtr = (IntPtr)((long)tableRowPtr + Marshal.SizeOf(tcpRow)); } } catch (OutOfMemoryException outOfMemoryException) { } catch (Exception exception) { } finally { Marshal.FreeHGlobal(tcpTableRecordsPtr); } return(tcpTableRecords != null?tcpTableRecords.Distinct() .ToList <TcpProcessRecord>() : new List <TcpProcessRecord>()); }