如何启动基于控制台的流程并使用Powershell应用自定义标题

Question

我正在将旧cmd命令转换为Powershell,目前使用:

START "My Title" Path/To/ConsoleApp.exe

这可以按预期使用My Title作为窗口标题启动ConsoleApp.这已被替换为正常工作的Start-Process,但未提供更改标题的机制.

有没有其他方法可以做到这一点,而无需使用cmd命令？

Answer 1

There is a small quirk when changing the text of the process' main window: if you try to change the text straight after you have started the process, it may fail due to one of many possible reasons (e.g. the handle to the control which displays the text does not exist at the time of the function call). So the solution is to use the WaitForInputIdle() method before trying to change the text:

Add-Type -TypeDefinition @"
using System;
using System.Runtime.InteropServices;

public static class Win32Api
{
    [DllImport("User32.dll", EntryPoint = "SetWindowText")]
    public static extern int SetWindowText(IntPtr hWnd, string text);
}
"@

$process = Start-Process -FilePath "notepad.exe" -PassThru
$process.WaitForInputIdle()
[Win32Api]::SetWindowText($process.MainWindowHandle, "My Custom Text")

Be aware that the application itself can still change the window text after you have made your own change.

Answer 2

我用cmd.exe试过这个,效果很好.

Add-Type -Type @"
using System;
using System.Runtime.InteropServices;
namespace WT {
   public class Temp {
      [DllImport("user32.dll")]
      public static extern bool SetWindowText(IntPtr hWnd, string lpString); 
   }
}
"@

$cmd = Start-Process cmd -PassThru
[wt.temp]::SetWindowText($cmd.MainWindowHandle, 'some text')