如何检查其他应用程序是否最小化？

Question

如何检查其他应用程序是否最小化？例如在这样的循环中:

foreach(Process p in processes)
{
  // Does a process have a window?
  // If so, is it minimized, normal, or maximized
}

Answer 1

[DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        static extern bool GetWindowPlacement(IntPtr hWnd, ref WINDOWPLACEMENT lpwndpl);

    private struct WINDOWPLACEMENT {
        public int length;
        public int flags;
        public int showCmd;
        public System.Drawing.Point ptMinPosition;
        public System.Drawing.Point ptMaxPosition;
        public System.Drawing.Rectangle rcNormalPosition;
    }

if (p.MainWindowHandle != IntPtr.Zero) {
    if (p.MainWindowTitle.Contains("Notepad")) {
        WINDOWPLACEMENT placement = new WINDOWPLACEMENT();
        GetWindowPlacement(p.MainWindowHandle, ref placement);
        switch (placement.showCmd) {
           case 1:
             Console.WriteLine("Normal");
             break;
           case 2:
             Console.WriteLine("Minimized");
             break;
           case 3:
             Console.WriteLine("Maximized");
             break;
        }
    }                   
}

Answer 2

没有最小化的"应用程序".最好的选择是检查应用程序的主窗口是否为标识(最小化).

IsIconic可用于检查窗口的标志状态.如果窗口最小化,它将返回1.您可以使用process.MainWindowHandle调用它.

Answer 3

您可以通过注入 user32 dll 使用 isZoomed 进行最大化，使用 isIconic 进行最小化

[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool IsIconic(IntPtr hWnd);
[DllImport("user32.dll")]
static extern bool IsZoomed(IntPtr hWnd);