Window spy

Download demo - 84.4 KB Download source - 136.2 KBIntroductionThis topic focuses on two things: What is the difference between SendMessage and PostMessage How to use SendMessage, PostMessage with WM_KEYDOWN. The way to find LParam and RParam parametersTo understand what is the difference between SendMessage and PostMessage, please look at the below table.What is the Difference between SendMessage, PostMessage SendMessage PostMessage Sends the specified message to a window or windows. The SendMessage function calls the window procedure for the specified window and does not return until the window procedure has processed the message (from MSDN) Places (posts) a message in the message queue associated with the thread that created the specified window and returns without waiting for the thread to process the message (from MSDN) Sequentially Not sequentially synchronous asynchronous How to Use SendMessage, PostMessage?Parameters? HWND is a handle you want to seed message to this window WPARAM, you can view here: The virtual-key code of the nonsystem key. LPARAM, you can know through Notepad program and Microsoft spy++How to Find LParam First, you must download Microsoft spy++. If you install Microsoft Visual 2012, Microsoft spy ++ will be integrated I will demo how to get LParam with VK_KEYDOWN, value through some basic steps (Same as, you can do it with VK_DOWN, VK_LEFT, .... key) Now open Notepad by run -> notepad Open your Microsoft Spy ++ (Built-in Microsoft Visual Studio 2012 ++) Next, Click to menu Spy -> FindWindows, using cross circle on the red frame. Drag this cross circle to Notepad on this edit area: Click choose Messages properties same as the below picture. Then click ok. Let's press RETURN key to Edit Area, you can easily see WM_KEYDOWN message on Microsoft Spy++ Dash Broad. Then, right click to that message and choose properties, you can easily know

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Isn't it annoying when almost identical apps use different key combinations to achieve the same outcome? Even worse, don't you hate it when a piece of software insists on using obscure keyboard shortcuts without offering an option to remap them? Wouldn't it be great to have absolute control over how your keyboard functions in every application? Well, that's possible, thanks to AutoHotkey. With AutoHotkey, you can remap your whole keyboard or create custom shortcuts, both "globally" and for each application individually. If you wish, you can even have custom strings of text—or even whole templates—for each app bound to the same key combinations. You only need AutoHotkey and a text editor—even Notepad will do. Sounds interesting? Then let's hop right in. Getting Started With Windows Spy in AutoHotKey Nowadays, many keyboards come with software for creating custom shortcuts and macros. However, as we will see, AutoHotkey is more versatile since it's keyboard-agnostic. With it, your "keyboard customizations" won't be tied to a particular keyboard. You'll be able to take your customization script to other computers and have your custom app shortcuts and shortcodes up and running in no time. Since in this article we're hitting the ground running, if you'd like a proper introduction to AutoHotkey, check our quick AutoHotkey Guide for Beginners. Start by downloading AutoHotkey from its official site. Then, install it like any other app. You don't have to run it afterward. It springs into action automatically when you run a script made for it. So, let's create such a script. With AutoHotkey installed, right-click anywhere, on your desktop or inside a folder where you want to create your script. Choose New > AutoHotkey Script. Give your script-to-be a name and press Enter. With AutoHotkey, you can create "global" shortcuts that will be active everywhere or app-specific ones that will work only inside an active application's window. To "target" a specific application, you must identify it in your script. AutoHotkey can help with that through its Window Spy. Double-click on your currently blank script to run it, and with it, AutoHotkey. Right-click on AutoHotkey's icon on the Windows tray, and choose Window Spy from the menu that pops up. To find the identifiers needed to target an application, leave Window Spy on your screen, and click on your app's window. Then, notice the ahk_class, ahk_exe, and ahk_pid entries, at the top of Window Spy's window. In our case, we wanted to target the popular Obsidian note-taking application. Since other software could have a similar ahk_class and ahk_pid, we used its executable file as our target, using ahk_exe Obsidian.exe, as mentioned in Window Spy. When you know your target, it's time to script. Time to Make a Script