C#判断某程序是否运行的方法

2021-04-25 10:00

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本文实例讲述了C#判断某程序是否运行的方法，分享给大家供大家参考。

具体实现方法如下：

[DllImport("user32.dll")]
private static extern bool
SetForegroundWindow(IntPtr hWnd);
[DllImport("user32.dll")]
private static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
[DllImport("user32.dll")]
private static extern bool IsIconic(IntPtr hWnd);
// 消息函数
[DllImport("user32.dll", EntryPoint = "PostMessageA")]
public static extern bool PostMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
[DllImport("user32.dll")]
public static extern IntPtr FindWindow(string strclassName, string strWindowName);
[DllImportAttribute("user32.dll")]
public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
public const int WM_SYSCOMMAND = 0x0112;
public const int SC_MAXIMIZE = 0xF030;
private string exeName = "SaoMiaoApp";
public void SetForm()
{
  Process[] processes = Process.GetProcessesByName(exeName);
  if (processes.Length > 0)
  {
 IntPtr hWnd = processes[0].MainWindowHandle;
 if (IsIconic(hWnd))
   ShowWindowAsync(hWnd, 9);// 9就是SW_RESTORE标志，表示还原窗体
 //SendMessage(hWnd, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
 SetForegroundWindow(hWnd);
  }
  else
  {
 Process.Start(exeName + ".exe");
  }
}

希望本文所述对大家的C#程序设计有所帮助。

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C#判断某程序是否运行的方法

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