flashercs

Add-Type -TypeDefinition @'
Imports System
Imports System.Runtime.InteropServices

Namespace MyCode

    Public Module Win32
        ' 定义常量
        Public Const WM_KEYDOWN As Integer = &H100
        Public Const VK_F5 As Integer = &H74

        ' 导入 FindWindow 函数
        <DllImport("user32.dll", CharSet:=CharSet.Auto)>
        Public Function FindWindow(ByVal lpClassName As String, ByVal lpWindowName As String) As IntPtr
        End Function

        ' 导入 PostMessage 函数
        <DllImport("user32.dll", CharSet:=CharSet.Auto)>
        Public Function PostMessage(ByVal hWnd As IntPtr, ByVal Msg As Integer, ByVal wParam As IntPtr, ByVal lParam As IntPtr) As <MarshalAs(UnmanagedType.Bool)> Boolean
        End Function

        ' 导入 GetDesktopWindow 函数
        <DllImport("user32.dll", CharSet:=CharSet.Auto)>
        Public Function GetDesktopWindow() As IntPtr
        End Function

    End Module

End Namespace
'@ -Language VisualBasic
$progman = [MyCode.Win32]::FindWindow("Progman", "Program Manager")
[MyCode.Win32]::PostMessage($progman, [MyCode.Win32]::WM_KEYDOWN, [MyCode.Win32]::VK_F5, 0)
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flashercs

Add-Type -TypeDefinition @'
using System;
using System.Runtime.InteropServices;
namespace MyCode
{
  public static class Win32
  {
    public const int WM_KEYDOWN = 0x100;
    public const int VK_F5 = 0x74;

    [DllImport("user32.dll", CharSet = CharSet.Auto)]
    public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

    [DllImport("user32.dll",CharSet = CharSet.Auto)]
    [return: MarshalAs(UnmanagedType.Bool)]
    public static extern bool PostMessage(IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam);

    [DllImport("user32.dll",CharSet = CharSet.Auto)]
    public static extern IntPtr GetDesktopWindow();

  }
}
'@
$progman = [MyCode.Win32]::FindWindow("Progman", "Program Manager")
[MyCode.Win32]::PostMessage($progman, [MyCode.Win32]::WM_KEYDOWN, [MyCode.Win32]::VK_F5, 0)
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