simulate the arrow key events in labview

Similar Questions

• LabVIEW 2009 SP1 crashes when moving large selection with the arrow key

  If I select a lot (10 or 15) diagram components and try to move some distance with the arrow button, I'm often a program crash.  Because a reduced number of components seems to hang after a longer distance traveled, it looks like some sort of buffer overflow error.  I don't see this problem when you use the mouse to move selections.

  I checked to make sure I have the latest version of the video driver for my NVIDIA Quatro FX570.  I also tried to work with no hardware acceleration and no handset, written.  What happens on Windows XP SP3 with all current updates.

  It became so bad that I have to do a save as every fifteen minutes to avoid losing data.

  Why not use my mouse for all movements?  Because it is not as specific and not so easy to limit to only one dimension of the movement.   My hand is not as stable as it once was.

  I'm hoping someone will have a suggestion that will clear up this problem.

  As I have indicated, I had the same problem with 8.5 and just DID a new install of Labview 2009.

  Since it is possible that my three monitors configuration, which of course requires more memory video, may be at the origin of the problem, I am satisfied with workaround by dragging the objects closer to their final destination and then using the arrow keys.

  Three monitors are ideal for the front, block and help/Internet/probe damaged.  When I got to work in the field with a single monitor, I felt severely handicapped.

  You can consider the issue closed.

  Thank you for trying to reproduce the failure.

• Use the toggle button to simulate the Ctrl key now

  Hello

  I saw someone asked something very similar before, but nobody seemed to know the solution.

  I was wondering if it is possible to use a toggle button to simulate the CTRL key now, the idea being that the user could then zoom in on a rectangle of their choice on a field without having to press the button themselves. I know that you can use the FakeKeystroke function to simulate support that the key however is possible that it may be held?

  Thank you

  I forgot one thing. You must handle the case when you have a real EVENT_DOUBLE_CLICK. In this case, you don't want to reset the keyboardState. Here's the modified code.

  char oldKeyState [256] = {0};
  
  char newKeyState [256] = {0};
  
  int isFakeDouble = 0;
  
  Zoom CVICALLBACK int (int, int int event, control panel,
  
  		void * callbackData, int eventData1, int eventData2)
  
  {
  
  	HWND hwnd;
  
  	toggleButton int = 0;
  
  	switch (event)
  
  	{
  
  		case EVENT_LEFT_CLICK:
  get the current state of the keyboard
  
  			GetKeyboardState (oldKeyState);
  
  			get the State of the toggle button
  
  			GetCtrlVal (panelHandle, PANEL_TOGGLEBUTTON, & toggleButton);
  If (ToggleButton)
  
  			{
  
  				create the new copy of the keystate
  
  				memcpy (newKeyState, oldKeyState, 1);
  Active control key.
  
  				newKeyState [VK_CONTROL] = 128;
  
  				SetKeyboardState (newKeyState);
  generate left mouse button events that will be holding the CTRL active
  
  				SetActiveCtrl (panelHandle, PANEL_GRAPH);
  
  				GetPanelAttribute (panelHandle, ATTR_SYSTEM_WINDOW_HANDLE, (intptr_t *) &hwnd);)
  
  				isFakeDouble = 1;
  
  				SendMessage (hwnd, WM_LBUTTONDOWN, 0, 0);
  
  				isFakeDouble = 0;
  
  			}
  break;
  
  		case EVENT_LEFT_DOUBLE_CLICK:
  mouse event generated will be taken as a double click. restore the old state of the keyboard
  
  			If (isFakeDouble)
  
  				SetKeyboardState (oldKeyState);
  break;
  
  	}
  
  	return 0;
  
  }

• How can I move a symbol with the arrow keys in canvas htlm5 CC animate?

  I'm going through a 'Hero' with the arrow keys, but do not know how addEventListener 'allure '.

  Code would be nice...

  As a general rule, if you want to do something in HTML5 Canvas in Animate, and the Code Snippets Panel doesn't have an example of what you want to do, do a Google search for "createjs whatever you want to do." Search for "createjs-keyboard listeners" showed so far include:

  ilike2Flash: keyboard events in EaselJS

  It seems that the keys are trapped by the browser, and so you will have to use the window listeners to see when someone pressed a key. The code example does what you ask for. It is written in HTML, but the Javascript part of the example should work in the Actions of Animate Panel.

• Artifacts when moving object with the help of the arrow keys.

  Hi all

  hope this is the right place to post this question.

  I want to write simple arkanoid game in Flash (AC3). I managed to write code that moves my paddle with the arrow keys. The code looks like this:

  function OnNewFrame(event:Event):void
  { 
      if (input.IsLeftHeld)
      {
          if (paddle.x > 0)
          {
              paddle.x -= 10;
          }
      }
      else
      if (input.IsRightHeld)
      {
          if (paddle.x < stage.stageWidth - paddle.width)
          {
              paddle.x += 10;
          }
      }
  }
  

  It works, but the result is ugly. The animation is not smooth, there are moments when the paddle stops for a moment. Also when the speed of translation is high (this is 10) you can see that paddle flashes at the ends, it resembles the unique problem of buffering. You can see both of these effects here: http://www.flash-game-design.com/flash-tutorials/movOb.html , identified flicker is less visible due to the amount of small translation.

  How to solve this problem? How can I enable double buffering (or maybe it is enabled by default)?  Any help will be appreciated.

  PS Sorry for the bad English

  Hello! I think you went backwards... First - in order to achieve the best visual transitions - you will not use travel speed at all. Second - you must pay attention to the establishment of the frame rate of the Flash document. Vivid games usually run at 60 frames per second. So I made a sample for you. Try it, it: http://cdn.dmldevelopment.com/plugins/tests/paddle/paddle.html . You can use arrow keys plus a key space to see how smooth the transition is. And you can download the source code here: https://rapidshare.com/files/3779443821/paddle.zip . Please let me know if I helped you. See you soon!

• How save/simulate an arrow key?

  Hello

  I need to register the software simulation using:

  -arrow keys (for the input field/menu selection).

  -Return the key (for the validation of choice).

  Capture screen is, of course, is not a problem, as I do it manually.

  What I did find is: how to simulate a button arrow.

  IE: tell the user of the lesson to "press the arrow key to enter the menu of xxxxx." and do it...

  I tried to use the field text, with empty response and with arrow key down as validation key, but it does not work...

  Thank you.

  Hello

  It helps please, if you tell us what version of Captivate you use.

  For more interactive objects (click boxes, buttons, text input boxes), the user can get a "successful action" by clicking (for Click box, touch or the Send button to a text entry area) OR by using a keyboard shortcut. By assigning this shortcut key (e.g. Enter), you allow the user to use this key. CP5, you'll find it in the property Panel, area Action. For CP4 find you this shortcut key in the p.e. Button, first tab properties dialog box.

  Lilybiri

• Disable the arrow keys

  Hello
  
  I hope someone can help me... I am building an app in Flash8 who used the arrow keys to position the clips. On the right side of the screen, I placed a few components such as radio buttons and comboboxes. When one of them is clicked on (receive focus), it begins in response using the keys. I tried to remove the update, but cannot get that to work. What I really want to do, is remove the listeners of the components...
  
  Can someone help me please? Thanks in advance.
  Rick.

  For those interested in the solution:
  I solved it by using Selection.setFocus (null) in my keyListener that handles the functionality of the arrow button. (So put the setFocus (null) in your onKeyDown event).

  Rick.

• I can't scroll my podcasts more since the update to iTunes 12.4. I can only use the arrow keys to go through my podcasts, and then take it all down.

  I have a MacBook Pro and update to the latest iOS and iTunes. I can't scroll in my podcasts to choose which episodes to synchronize. I can only use the arrow keys to navigate, but then while he list of podcasts on the left, it moves also down from the bar on the list of episodes, so by the time I spend the first 7 or 8 I can't see the episodes more to choose which to add/remove.

  Same here, very frustrating.

  I found if you go in your library > Podcast, then control click on the podcast, you can select Add to the device, which works, but is in no way acceptable.

• Selection of the tabs and the arrow keys Tab Switching

  Older versions of Firefox had this feature. Before 3.0, Firefox allow you to select the text around a tab by clicking through, allowing you to scroll the tabs using the arrow keys. After 3.0, you could do this by clicking on the left and then immediately right clicking. I have since past 12 Firefox, and I can't seem to find this feature, even if it is useful for me. Is there a solution or a way to do this in Firefox 12 I don't know? Addons which adds this functionality or a parameter, would be greatly appreciated.

  EDIT: I know there are other ways of the tabs, but the arrows were particular dresser.

  In fact, I found a good work-around (which was rather hidden) which is exactly the same functionality as before, but in several stages.

  If you're like me and you wanted it, do the following:

  -Press Control-K-
  -Press tab-
  -Take advantage of arrow tab switching!

  I don't know why it happened progressively more difficult over the years, but at least I can still do it.

  Thanks to cor.el, or something like that.

• page up and down and the arrow keys do not work, they do on any other programs

  Page up and down and the arrow keys do not work or jump at the bottom of page.

  You may have accidentally entered mode 'Keyboard Navigation. The F7 key will toggle "Keyboard Navigation" on or off.

  • See-> http://kb.mozillazine.org/Scrolling_with_arrow_keys_no_longer_works

  If this answer solved your problem, please click 'Solved It' next to this response when connected to the forum.

• Firefox is a cursor in the window html pages that can be changed to spoil the option to scroll using the arrow keys

  Whenever I click in a window to scroll through my arrows is put a cursor in the window and scrolling out of it, instead of scrolling the entire page using the arrow key it scrolls by the location of the cursor within the window as a word document.

  Press F7 to disable the keyboard navigation.

  http://KB.mozillazine.org/accessibility.browsewithcaret

• When I use the arrow keys in firefox to go forward and back, the cursor erases tiny pieces of letters.

  Even within this field of text that I type, everything is normal, but a back using the arrow keys (and then spacing also forward using the arrow keys as I go back to typing) deletes chunks of the text. Once I have started typing again in this area, the components are deleted to normal. This effect can be captured in a screenshot. After inspection, it seems to be a second invisible cursor, a character to the right of the cursor visible. So when the back arrow back, the invisible cursor trails that visible, destroying the text behind. When the spacing before using the arrow keys, the text gets fact sinking in front of the cursor visible.

  Try turning off hardware acceleration.

  • Tools > Options > advanced > General > Browsing: "use hardware acceleration when available.

  If disable hardware acceleration works then check if there is an update available for your graphics display driver.

• Keyboard satellite 2430 problem when press z,?, Fn or the arrow keys

  When one of these keys are pressed (z,?, Fn or the arrow keys), the cursor control mode light will light up and the keyboard no longer works. In addition, the context menu of the application randomly appears and disappears, and when I'm using a text editor, writes \z repeatedly. The cursor moves the cursor moves out of control across the screen.

  I tried to disconnect the internal keyboard and use an external, but I still have this problem. I also tried a complete reinstall with the recovery CD, but the problem persists. Any idea?

  Post edited by: dacostamedeiros

  Hello
  If the problem persists after the installation of recovery is certainly the hardware problem. The strange is that problem with external keyboard too and I'm afraid that any replacement keyboard on the laptop will not solve this.

  I recommend you contact the partner Service of your country, and they can check if the keyboard controller is defective. If you need address, you can find them under http://www.csd.toshiba.com/cgi-bin/tais/su/su_gaspLocator.jsp?pf=true

  Good luck!

• When I restart and press f8 to go into safe mode, I can't scroll to the top I use the arrow keys, but she will not go up

  It shows the possibility to go in safe mode, but I can not just ride to select

  Try using the arrow keys on the numeric keypad (key '2' and '8'), but for those to work, your "Num Lock" must be disabled.  (Press the NumLock key, until the light Verr off Num).

  If this does not work and you are able to boot into normal mode, you can configure so that it starts in safe mode using "msconfig":
  Start-> Run-> "msconfig".
  Start msconfig, click on:
  Win.ini (tab)-> and then place a check mark in front of "/ SAFEBOOT"-> click on 'OK '.
  Restart your computer.
  He will then start safe mode.

  HTH,
  JW

• Print layout on screen rotation when you use the arrow keys

  I must have accidentally pressed a wrong key combination.  Now, when I use the arrow keys on the keyboard while typing of text, orientation changes screen, according to which key I hit it, I hit the down arrow, the text on the printed page rotates 180 degrees.

  How can I fix it?

  Biggar Gordon

  Houston, Texas

  Thanks for your reply.

  I googled the question of fun and learned you can hit CTRL + Alt + an arrow key to change the direction of the display on the monitor.  Pressing on the same new keys cancels the function.  I must have accidentally done to create the mess in the first place.

  I've done the same thing if I had rebooted the system.

  Thank you very much!

  Biggar Gordon