/*&cls
@echo off
set "netpath=%systemroot%\Microsoft.NET\Framework"
for /f "delims=" %%a in ('dir /ad /b "%netpath%\v?.*"') do (
    if exist "%netpath%\%%a\csc.exe" (
        set "cscpath=%netpath%\%%a\csc.exe"
        goto :end
    )
)
echo;未安装.Net Framework 2.0及其上版本组件或相关程序丢失&pause&exit
:end
if not exist "%tmp%\$CheckKeyLocked.exe" (
    "%cscpath%" /out:"%tmp%\$CheckKeyLocked.exe" "%~f0"
)
"%tmp%\$CheckKeyLocked.exe"
pause&exit
*/
using System;
using System.Windows.Forms;
class CheckKeyLocked
{
    static void Main(string[] args)
    {
        Console.WriteLine(
            "Caps Lock: "+(Control.IsKeyLocked(Keys.CapsLock)?"ON":"OFF")+"\r\n"+
                "Num Lock: "+(Control.IsKeyLocked(Keys.NumLock)?"ON":"OFF")+"\r\n"+
                    "Scroll Lock: "+(Control.IsKeyLocked(Keys.Scroll)?"ON":"OFF"));
    }
} 
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