WebJun 3, 2013 · 1. @Ngu Just take your code, wire it up to a TextBox's KeyDown and KeyUp events in a WinForm project, then run the code : you will observe that holding the key down results in multiple characters being entered after a short delay. Your code does not prevent multiple repeats. – BillW. Mar 22, 2010 at 11:00. WebThis has the effect of sending all keypress events (KeyDown etc) to the form first, even if a control on the form has the focus. Then you can simply implement your KeyDown handler as you mention in the question. If you have multiple forms, then you might need to do this on each one. What you describe is commonly referred to as a system-wide hotkey.
Keys Enum (System.Windows.Forms) Microsoft Learn
WebMar 1, 2024 · One way to do it would be to handle the KeyDown event and if the first key, say A is down and the Ctrl key, set a bool to true at the Form level to indicate that the sequence is starting. The next KeyDown event should be the second key in the sequence, say V, and the Ctrl key is down (still). WebSep 30, 2014 · void Form5_KeyDown (object sender, KeyEventArgs e) { if (e.KeyCode == Keys.A) MessageBox.Show ("A pressed"); else if (e.Modifiers == Keys.Alt && e.KeyCode == Keys.F1) MessageBox.Show ("Combination of ALt and F1 pressed"); } dont forget the KeyPreview = true, if you want to handle all keydown Share Improve this answer Follow procesor intel lf80537 t5750
Control.OnKeyDown(KeyEventArgs) 方法 (System.Windows.Forms)
WebNov 20, 2015 · You would also like to view MSDN: Handle Keyboard Input at the Form Level which states about Windows Forms provides the ability to handle keyboard messages at the form level, before the messages reach a control. Edit. WM_KEYDOWN: This message is posted to the window with the keyboard focus when a nonsystem key is … Web1 day ago · After that I want to tab into a game (focus on the game) and press my hotkey in the game. This should be recognized by my Windows Forms and then send keystrokes to the game. For example: I start my Windows Forms, set the hotkey to CTRL and press the button "Start". The event KeyDown of my StartButton is now active. WebDec 27, 2011 · Assuming you have a WinForms project, set the KeyPreview property of your form to true, like that (e.g. in the constructor) : public Form1 () { InitializeComponent (); KeyPreview = true; } and it should work like you expected. Edit: Due to your comment I've added the code to catch all the signs (add that to your Form1_KeyDown method) procesor amd ryzen 5 1600af