清除回收站编程使用PowerShell

问题描述：

一个最难的事情我不得不做的是访问的Windows API使用PowerShell。我想用在Shell32.dll中的API来清除回收站。这样做有它的其他方式，但它们通常绕过正常的Windows进程，在这种情况下，我想这样做的正确的方式。

One of the hardest things I've had to do is access Windows APIs with PowerShell. I want to erase the Recycle Bin using the API in Shell32.dll. There are other ways of doing it, but they are typically bypassing the normal Windows processes and in this case, I want to do it the "right" way.

答

在几个小时后，我来到了这一点。

After a few hours, I came up with this.

$TypeDefinition=@"
using System;
using System.ComponentModel;
using System.Runtime.InteropServices;

namespace shell32 {

    //Put all the variables required for the DLLImports here
    enum RecycleFlags : uint { SHERB_NOCONFIRMATION = 0x00000001, SHERB_NOPROGRESSUI = 0x00000002, SHERB_NOSOUND = 0x00000004 }

    public static class RecycleBin {
        [DllImport("Shell32.dll",CharSet=CharSet.Unicode)]
            internal static extern uint SHEmptyRecycleBin(IntPtr hwnd, string pszRootPath, RecycleFlags dwFlags);
    }

    public class ShellWrapper : IDisposable {

        // Creates a new wrapper for the local machine
        public ShellWrapper() { }

        // Disposes of this wrapper
        public void Dispose() {
            GC.SuppressFinalize(this);
        }

        //Put public function here
        public uint Empty() {
            uint ret = RecycleBin.SHEmptyRecycleBin(IntPtr.Zero, null, RecycleFlags.SHERB_NOCONFIRMATION | RecycleFlags.SHERB_NOPROGRESSUI | RecycleFlags.SHERB_NOSOUND);
            return ret;
        }

        // Occurs on destruction of the Wrapper
        ~ShellWrapper() {
            Dispose();
        }

    } //Wrapper class
}
"@
Add-Type -TypeDefinition $TypeDefinition -PassThru | out-null
$RecycleBin=new-object Shell32.ShellWrapper

$RecycleBin.Empty()

清除回收站编程使用PowerShell

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