topical media & game development

topical media & game development

[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

game-xna-intro-XnaShooter-Helpers-WindowsHelper.cs / cs


  // Project: XnaShooter, File: WindowsHelper.cs
  // Namespace: XnaShooter.Helpers, Class: WindowsHelper
  // Path: C:\code\XnaShooter\Helpers, Author: Abi
  // Code lines: 11, Size of file: 205 Bytes
  // Creation date: 01.11.2005 19:43
  // Last modified: 11.12.2005 14:11
  // Generated with Commenter by abi.exDream.com
  
  #region Using directives
  using System;
  using System.Collections.Generic;
  using System.Text;
  using System.Runtime.InteropServices;
  if !XBOX360
  using System.Security.Principal;
  endif
  using System.Globalization;
  #endregion
  
  namespace XnaShooter.Helpers
  {

<summary> Windows helper </summary> class WindowsHelper { #region NativeMethods helper class (required for FxCop checks) if DEBUG && !XBOX360 <summary> NativeMethods helper class (required for FxCop checks) </summary> internal class NativeMethods { <summary> Don't allow instantiating this class. </summary> private NativeMethods() { } // NativeMethods()

<summary> Win32 function: Get foreground window handle (hwnd) </summary> [DllImport(<User32.dll>)] internal static extern int GetForegroundWindow();

<summary> Win32 function: Set foreground window handle </summary> [DllImport(<User32.dll>)] internal static extern int SetForegroundWindow(int hWnd);

<summary> Win 32 function: Get window thread process id </summary> <param name="window">Window handle</param> <param name="processId">Process id</param> <returns>Thread id</returns> [DllImport(<user32.dll>)] internal static extern int GetWindowThreadProcessId( int window, int processId);

<summary> Win32 function: Attaches input to a thread for controlling windows </summary> [DllImport(<User32.dll>)] internal static extern int AttachThreadInput( int idAttach, int idAttachTo, int fAttach);

<summary> Win32 function: Checks if a window is iconic (on the task bar) </summary> [DllImport(<User32.dll>)] internal static extern int IsIconic(int hWnd); <summary> Win32 function: Show window with nCmdShow parameters. </summary> [DllImport(<User32.dll>)] internal static extern int ShowWindow(int hWnd, int nCmdShow);

<summary> Win32 function: Get device context of window handle (hwnd). </summary> [DllImport(<User32.dll>)] internal static extern IntPtr GetWindowDC(IntPtr hwnd); } // class NativeMethods endif #endregion


                  #region Constructor

<summary> Don't allow instantiating this class. </summary> private WindowsHelper() { } // WindowsHelper() #endregion


                  #region Get and set foreground window
  if DEBUG && !XBOX360
                  // Only supported in debug mode and in windows

<summary> Win32 constants </summary> public const int SwShow = 5, SwRestore = 9;

<summary> Helper function to force a window into foreground, will even work if our process is not the same as the other windows. We will try to get the others thread input process and attach it to our thread for setting the window to the foreground. </summary> public static bool ForceForegroundWindow(int hWnd) { int foregroundWnd = NativeMethods.GetForegroundWindow(); // Do nothing if already in foreground. if (hWnd == foregroundWnd) return true;


                          // First need to get the thread responsible for this window,
                          // and the thread for the foreground window.
                          int ret = 0,
                                  threadID1 = NativeMethods.GetWindowThreadProcessId(foregroundWnd, 0),
                                  threadID2 = NativeMethods.GetWindowThreadProcessId(hWnd, 0);
  
                          // By sharing input state, threads share their concept of
                          // the active window.
                          if (threadID1 != threadID2)
                          {
                                  NativeMethods.AttachThreadInput(threadID1, threadID2, 1);//true
                                  ret = NativeMethods.SetForegroundWindow(hWnd);
                                  NativeMethods.AttachThreadInput(threadID1, threadID2, 0);//false
                          } // if (threadID1)
                          else
                                  ret = NativeMethods.SetForegroundWindow(hWnd);
  
                          // Restore and repaint
                          if (NativeMethods.IsIconic(hWnd) != 0)
                                  NativeMethods.ShowWindow(hWnd, SwRestore);
                          else
                                  NativeMethods.ShowWindow(hWnd, SwShow);
  
                          // Succeeded
                          return ret != 0;
                  } // ForceForegroundWindow(hWnd)
  endif
                  #endregion
                  
                  #region Get default player name

<summary> Get default player name from windows identity, and if this failes use computer name! </summary> static public string GetDefaultPlayerName() { string defaultPlayerName = "Player"; if !XBOX360 try { defaultPlayerName = WindowsIdentity.GetCurrent().Name;


                                  if (String.IsNullOrEmpty(defaultPlayerName))
                                  {
                                          defaultPlayerName = "Player";
                                  } // if (defaultPlayerName)
                                  else
                                  {
                                          // Windows will return name in format <computername>\<username>,
                                          // we just want the username!
                                          string[] nameInfo = defaultPlayerName.Split(
                                                  new char[] { '\\' }, 2);
                                          if (nameInfo.Length >= 2)
                                          {
                                                  defaultPlayerName = nameInfo[1];
                                          } // if
                                  } // else
                          } // try
                          catch { } // Ignore any error
  endif
  
                          return defaultPlayerName;
                  } // GetDefaultPlayerName()
                  #endregion
          } // class WindowsHelper
  } // namespace XnaShooter.Helpers

[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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