What is the cleanest way in开发者_开发问答 JavaScript or jQuery to filter out control keys.By control keys, I mean any key that IS NOT A-Z, 0-9, or special characters (i.e. !, @, #, etc.).I simply wan
I have input text and I want to increase the number that is inside using the key up or down. I have: <input type=\"text\" value=\"1\" name=\"qty\" />
i\'m developing my first game in silverlight. It\'s something like 2D labyrinth and user\'s moves on canvas are based on UserControl_KeyDown event. I dont have any gameloop yet. But now i\'m kinda stu
I\'m trying to let a user move an element on the page using the arrow keys. So far, I have movement working for up/down/left/right, 开发者_开发技巧but not for diagonal (two arrow keys pressed simultan
In the code below I am Initialising a NSViewController [a NSResponder], with a NSWindow, a NSOpenGLView, presenting the view and attempting to set the NSViewController as the windows first responder.
I am coding a custom text editor, and I use KeyDown and KeyUp events. That events gets a KeyEventArgs from parameters where a \"Key\" instance is included.
I noticed a strange behav开发者_如何学运维ior regarding keydown event in Chrome. I have this simple script (http://jsfiddle.net/xYDbt/1/):
I\'m using PictureBox to place and relocate (move) some picture inside Main Dialog Form. I want to be able to remove the picture on Delete Key开发者_C百科 pressed.
This question is basically the same as Silverlight开发者_开发百科 keydown event for games but there was never really a clear answer.How can I get smooth keypresses for a game.
So I have the following code that listens for a keydown event and then exits as soon as it receives one: