尝试在powershell中显示gif

Add-Type -TypeDefinition @"
using System;
using System.Windows.Forms;
using System.ComponentModel;
using System.Threading;

public class GifPlayer
{
    private static BackgroundWorker worker;
    private static PictureBox pictureBox;
    private static Form form;

    public static void ShowGif(string gifPath)
    {
        form = new Form();
        form.StartPosition = FormStartPosition.CenterScreen;
        form.FormBorderStyle = FormBorderStyle.None;
        form.BackColor = System.Drawing.Color.Black;
        form.TransparencyKey = System.Drawing.Color.Black;
        form.TopMost = true;

        pictureBox = new PictureBox();
        pictureBox.Dock = DockStyle.Fill;
        pictureBox.SizeMode = PictureBoxSizeMode.StretchImage;
        pictureBox.Image = new System.Drawing.Bitmap(gifPath);

        form.Controls.Add(pictureBox);

        worker = new BackgroundWorker();
        worker.DoWork += Worker_DoWork;
        worker.RunWorkerAsync();

        form.ShowDialog();
    }

    private static void Worker_DoWork(object sender, DoWorkEventArgs e)
    {
        Thread.Sleep(5000); // 设置显示 GIF 的时间，单位为毫秒
        form.Invoke(new Action(() => form.Close()));
    }
}
"@

[GifPlayer]::ShowGif("C:\path\to\your.gif")