如何确定"capsLock"?在吗? [英] How to determine that "capsLock" is on?

问题描述

我正在开发打字导师....
在此项目中，要确定"capsLock"是否在...上.
请帮助我..

I am developing a typing tutor....
In this project a want to determine that "capsLock" is on .....
please help me..

推荐答案

它在.NET API中:

It''s in the .NET API:

bool isCapsLockOn = Control.IsKeyLocked(Keys.CapsLock);

有关 MSDN:Control.IsKeyLocked方法 [

Details on MSDN: Control.IsKeyLocked Method [^].

Regards,

Manfred

查看此处: http://cboard.cprogramming.com/csharp-programming/105103-how-detect-capslock-csharp.html [

using System;
using System.Runtime.InteropServices;
using System.Windows.Forms;

public class CapsLockControl
{
    [DllImport("user32.dll")]
        static extern void keybd_event(byte bVk, byte bScan, uint dwFlags,UIntPtr dwExtraInfo);
    const int KEYEVENTF_EXTENDEDKEY = 0x1;
    const int KEYEVENTF_KEYUP = 0x2;

    public static void Main()
    {
        if (Control.IsKeyLocked(Keys.CapsLock))
        {
            Console.WriteLine("Caps Lock key is ON.  We'll turn it off");
            keybd_event(0x14, 0x45, KEYEVENTF_EXTENDEDKEY, (UIntPtr) 0);
            keybd_event(0x14, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP,
                (UIntPtr) 0);
        }
        else
        {
            Console.WriteLine("Caps Lock key is OFF");
        }
    }
}

或在此处 [ ^ ]

在此处找到此解决方案: http://cboard.cprogramming.com/csharp-编程/105103-how-detect-capslock-csharp.html [ ^ ].

or look here[^]

This solution was found here: http://cboard.cprogramming.com/csharp-programming/105103-how-detect-capslock-csharp.html[^].

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