windows mobile 5.0 进程管理、窗体管理、重启和关闭操作系统
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1、进程管理：在NET Compact Framework里进程管理的函数相对要比net Framework里要简化，不过仍然可以比较好的控制程序进程。
A.启动进程:在启动进程后返回进程的id
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> /// <summary></summary> /// 启动进程 /// /// <param name="fileName"> 启动文件的目录路径 /// <returns></returns> 返回启动进程的进程ID public static int StartProcess( string fileName) { int progressID = 0 ; try { // 这个目录是动态的 progressID = System.Diagnostics.Process.Start(fileName).Id; return progressID; } catch // (Exception ex) { // throw ex; return 0 ; } }
B.获取当前进程的ID
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> /// <summary></summary> /// 获取当前进程ID /// public static int GetCurrentProcessID() { Process currentProcess = Process.GetCurrentProcess(); int CurrentProcessID = currentProcess.Id; return CurrentProcessID; }
C.终止当前进程
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> /// <summary></summary> /// 终止当前进程 /// public static void KillCurrentProcess() { System.Diagnostics.Process.GetCurrentProcess().Kill(); }
D.通过进程ID来终止进程
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> /// <summary></summary> /// 终止进程 /// /// <param name="progressID"> 进程ID /// <returns></returns> true 表示终止成功，反之表示失败 public static bool KillProcess( int progressID) { try { System.Diagnostics.Process.GetProcessById(progressID).Kill(); return true ; } catch // (Exception ex) { // throw ex; return false ; } }
2、窗体管理。在NET Compact Framework（2.0）的窗体类（System.Windows.Forms.Form)）虽然提供WindowsState属性，这个属性是 FormWindowState 枚举类型，在枚举中只有Normal 和 Maximized，不过不能通过Maximized来控制窗体最小，同时也无法控制窗体的关闭。要是实现关闭和最小化只能通过调用api来实现。下面是有关代码：
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> [DllImport( " coredll.dll " )] private extern static bool ShowWindow(IntPtr hWnd, int nCmdShow); [DllImport( " coredll.dll " )] private static extern IntPtr FindWindow( string lpClassName, string lpWindowName); /// 最小化窗体 public static void WindowsMin( string frmTextName) { IntPtr hwnd = FindWindow( null , frmTextName); ShowWindow(hwnd, 6 ); } /// 隐藏窗体 public static void WindowHide( string frmTextName) { IntPtr hwnd = FindWindow( null , frmTextName); ShowWindow(hwnd, 0 ); }
3、重启和关闭操作系统。同样是调用api来完成。
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> [DllImport( " Aygshell.dll " )] static extern bool ExitWindowsEx( uint uFlags, int dwReserved); private const uint EWX_REBOOT = 2 ; private const uint EWX_POWEROFF = 8 ; /// 重启操作系统 public static void RootWindows() { ExitWindowsEx(EWX_REBOOT, 0 ); } /// 关闭操作系统 public static void ShutDownWindows() { ExitWindowsEx(EWX_POWEROFF, 0 ); }
以上代码的运行环境和开发环境：windows mobile5.0 +ppc sdk +vs2005
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