1. Form HotkeyFirst, you set the main form KeyPreview to True, which you can set directly in the property.or set in the form load: this. KeyPreview = true;Then add the form KeyDown event, as follows: Private void Frmmain_keydown (object sender, KeyEventArgs e) { if (e.alt e.shift e.control e.keycode = = keys.s) { MessageBox.Show (" I pressed control +shift +alt +s");} }2. Global Hotkey Sett
C # implement shortcut key (system hotkey) Response
In applications, we may need to implement shortcut keys such as Ctrl + C copy and CTRL + V paste. This article briefly introduces its implementation and provides an implementation class.
(1) create a class file named hotkey. CS,CodeAs follows:Using system;Using system. Collections. Generic;Using system. runtime. interopservices;Using system. Windows. f
In applications, we may need to implement shortcut keys such as Ctrl + C copy and CTRL + V paste. This article briefly introduces its implementation and provides an implementation class.
(1) create a class file named hotkey. CS,CodeAs follows:Using system;Using system. Collections. Generic;Using system. runtime. interopservices;Using system. Windows. forms;
Namespace koalastudio. bookshopmanager{Class hotkey
How to use hotkey controls with hotkey controlsThe first step: Select the hotkey to add to the panel.Step two: Hotkey control properties Select the Hotkey key value.Step three: Add the Hotkey event feature.Hot-Key Mode selection1.
Class Hotkey.cs
Using System;
Namespace Durius.generics
{
public delegate void Hotkeyeventhandler (int hotkeyid);
System Wide Hotkey Wrapper.
///
Robert Jeppesen
Send Bugs to Robert@durius.com
public class Hotkey:System.Windows.Forms.IMessageFilter
{
System.Collections.Hashtable keyids = new System.Collections.Hashtable ();
IntPtr hWnd;
Occurs when a hotkey has been pressed.
public event Hotkeyeventhandler
Originally heard WINAPI inside the registerhotkey sometimes not good, and then intend to use the Hook keyboard message to do hook key, found the hook there to deal with the message there is very troublesome, also think will cause the system of extra overhead is relatively large, So finally with RegisterHotKey to encapsulate a bit, the test is no problem, or can be. (WinForm)
The following code includes the processing of a textbox and a class that encapsulates the API. TextBox there is to deal w
Reprint: http://www.cuteqt.com/blog/?p=2088Qt for the bottom of the system, has not been very good support, such as serial port and port communication, as well as we often use the global hotkey, and so on. Since QT may, for some reason, not support these, we can only write our own code to invoke the system-related APIs.Note that this is a Windows article, which means that the code only supports Windows systems. At the same time, it also indicates that
The Java Native API does not support setting global hotkeys for Applications. To implement a global hotkey, it needs to be implemented in JNI mode, which involves writing C + + code, which is difficult for most javaer who are not familiar with C + +. But fortunately, someone abroad has been implemented, released into a third-party Java package, by which we can easily set the global hotkey without writing an
Application.addmessagefilter can help you monitor all messages sent to the form by the system.We use it to filter messages.We can make the hotkeys we need.This is Application.addmessagefilter's calling method.A IMessageFilter object must be passed as a parameterpublic static void Addmessagefilter (IMessageFilter value)We're doing a hotkey category that inherits the IMessageFilter interface.Class Hotkey:imessagefilter{...}Then use two attributes in the
Reference using System.Runtime.InteropServices first; The namespaces,
Then add the following code in the appropriate location to OK. Note: Form1_Load and form1_formclosed can not be directly copy Oh ~
Copy Code code as follows:
[DllImport ("user32")]
public static extern bool RegisterHotKey (IntPtr hwnd,int id,uint control,keys VK);
Registering the Hotkey API
[DllImport ("user32")]
public static extern bool Unregisterhotkey (INT
, otherwise 0, you can also determine the highest bit value. Note that: getkeystate () can only be used in a keyboard message handler because it only reports the state of the queried key when the thread reads the keyboard message from the message queue. If you need to query the key state outside the keyboard message handler, you need to use:: Getasynckeystate instead of #define ISKEYPRESSED (Nvirtkey) ((Getkeystate (Nvirtkey) (1Use the PreTranslateMessage method to determine whether the ctr
Many of the common hot keys in previous versions of Windows are still available, and there are new hot keys.
First, introduce the new hotkey in Windows 8 Consumer Preview:
Windows key + C display personality category and clock
Windows key + I Open "settings" personality category
Windows key + K Open "Device" personality category
Windows key + H open "shared" personality category
Windows key + W opens the search personality category for the s
1, we first open QQ login and then click on the lower left corner of QQ "settings" and then enter after we click on the "Hot Key" option, the effect is shown below.
2, and then in the Open Hotkey display box to set the hotkey effect as shown in the following figure
3, to find the daily use of conflict with our hot key clicks, directly on the keyboard to press the replacement of the hot key,
How to make a hotkey for your program? For example, pressing CTRL + A will trigger an event of your program?
Usage:Code
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->private void Form1_KeyDown(object sender, KeyEventArgs e) { if (e.Control e.KeyCode == Keys.A) { btnTest_Click(this, EventArgs.Empty); } }
The method is simple and effective! But have yo
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Link to the original article: QT global hotkey (Windows)
Qt has never provided good support for the und
A hotkey is a key and a set of keys used to start a program or use a function of a program, and a key can include f1,f2 these function keys, or some special keys.
Small knowledge: Two concepts
1, Hot Key
A hotkey is a key and a set of keys used to start a program or use a function of a program, and a key can include f1,f2 these function keys, or some special keys, such as "Internet" on the Dell Keyboard,
The use of computer friends more and more, computer enthusiasts novice friends encounter computer problems are strange, in fact, most of the problem is simply a problem, but because the novice friend did not contact, so the most basic computer skills may not be, recently 2 consecutive netizens asked edit notebook keypad how to open? or notebook keypad how to shut down and so on, in fact, these operations in
The use of computer friends more and more, computer enthusiasts novice friends encounter computer problems are strange, in fact, most of the problem is simply a problem, but because the novice friend did not contact, so the most basic computer skills may not be, recently 2 consecutive netizens asked edit notebook keypad how to open? or notebook keypad how to shut down and so on, in fact, these operations in
Win32 obtains the content of the HotKey control (HKM_GETHOTKEY ),
Windows provides us with a dialog box control HotKey that is very easy to use and can be used when setting hotkeys, however, Baidu did not find out how to obtain the content in the control through messages under win32, but found that the control classes encapsulated by MFC were used for operations. Finally, the answer was found on MSDN...
The
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