Global Hooks (non-active program)

问题

I am creating a program that allows you to paste text but it will look like you are typing it as it pastes, Paste Typer.

I am wanting to use Ctrl + b to set off the pasting, but I am having issues with hotkeys.

I think what I need is to use a WH_KEYBOARD_LL hook and include that user32 file but I usually get errors when I add it and the namespace.

I have come closest with this: http://thedarkjoker94.cer33.com/?p=111 - but it doesn't seem to work with Ctrl, alt and other modifiers, even when I used KeyData.

I need a way to make a hotkey that will work even when the program is not the active window. This is a windows forms application in Microsoft Visual C# 2010.

There a rea lot of StackOverlow topics but they are dated and are not complete enough for me to get something running.

回答1:

Are you talking about the HookManager?

I use it successfully like this:

HookManager.KeyDown += new KeyEventHandler(HookManager_KeyDown);

and

void HookManager_KeyDown(object sender, KeyEventArgs e)
{
    if (Keyboard.IsKeyDown(Keys.LWin)) // Is the Left-Windows Key down and ...
        switch (e.KeyCode)
        {
            case Keys.O: 
                // ...
                e.Handled = true;
                break;
            case Keys.H: 
                // ...
                e.Handled = true;
                break;
        }
}

I created the Keyboard class here is the code:

// Used: http://www.pinvoke.net/default.aspx/user32.getasynckeystate
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace Win32.Devices
{
    public class Keyboard
    {
        [DllImport("user32.dll")]
        static extern ushort GetAsyncKeyState(Keys vKey);

        public static bool IsKeyDown(Keys key)
        {
            return 0 != (GetAsyncKeyState(key) & 0x8000);
        }
    }
}

来源：https://stackoverflow.com/questions/8765906/global-hooks-non-active-program

标签

hook

global

hotkeys