how to use RegisterHotKey() in C#?
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This might help:
Basically, you have to create a "hidden" form to make it work
Author by
The Mask
Updated on July 09, 2022Comments
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The Mask almost 2 years
I'm trying to register a hot key, I'm translating this C++ code into C#:
using System.Collections.Generic; using System.Linq; using System.Text; using System.Runtime.InteropServices; namespace ConsoleApplication1 { class Program { [DllImport("user32.dll")] public static extern bool RegisterHotKey(IntPtr hWnd, int id, uint fsModifiers, int vk); [DllImport("user32")] public static extern bool GetMessage(ref Message lpMsg, IntPtr handle, uint mMsgFilterInMain, uint mMsgFilterMax); public const int MOD_ALT = 0x0001; public const int MOD_CONTROL = 0x0002; public const int MOD_SHIFT = 0x004; public const int MOD_NOREPEAT = 0x400; public const int WM_HOTKEY = 0x312; public const int DSIX = 0x36; static void Main(string[] args) { if (!RegisterHotKey(IntPtr.Zero, 1, MOD_ALT | MOD_NOREPEAT, DSIX)) { Console.WriteLine("failed key register!"); } Message msg = new Message(); while (!GetMessage(ref msg, IntPtr.Zero, 0, 0)) { if (msg.message == WM_HOTKEY) { Console.WriteLine("do work.."); } } Console.ReadLine(); } } public class Message { public int message { get; set; } } }
but
RegisterHotKey()
never returns false. I'm not sure about the arguments passed in the method, IntPtr.Zero should be null, and message class constructor's second argument requires an object. any help is very appreciated!