Reading Keydown Regardless Of Active Application?
Feb 27, 2010
I have created a program which should perform a certain action whenever a certain group of keys is pressed at the same time. The program must be able to run in the background, or in the system tray or something. Essentially, this should work like the KeyDown event on a form, except the form in this case is everything.
I'm not certain if there is a way to do this directly from within the .net API, but if there is I certainly have not found it.
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Apr 2, 2010
I have a standard Visual Studio 2008 VB.Net WinForm application, running on Vista Business. One of the forms has a timer that passes Me.Handle to FlashWindowEx. This works as intended as long as none of the windows that belong to this application are the Foreground window. If this program is running and another application's window is the Foreground window, then it flashes as intended. If, however, any of this application's windows are the Foreground window, then it doesn't flash.
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Dec 30, 2011
I need to monitor KeyDowns outside of my application (probably running in a NotifyIcon) so I can detect a certain key combination to do something. How can I do this? I read somewhere before about using a process.
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Jan 15, 2010
I want to able to hold a key down while the application is loading and depending on which is being held down a certain form is shown.
For example holding down shift and the opening itunes opens a little dialog allowing you set the library(or something)
I can check whether the shift/Ctrl/Alt are being held down but i'd prefer to use the letters/digits.
Such as hold 1 down to open Form1 and hold 2 down to open form 2.
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Jun 1, 2011
How do you read a key down event when your application is not focus but other are?
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Mar 16, 2009
I want to able to hold a key down while the application is loading and depending on which is being held down a certain form is shown. For example holding down shift and the opening itunes opens a little dialog allowing you set the library(or something)I can check whether the shift/Ctrl/Alt are being held down but i'd prefer to use the letters/digits.Such as hold 1 down to open Form1 and hold 2 down to open form 2.
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Sep 1, 2009
I want to make it so that no matter which control has focus, it will do my event. So that I dont have to write a keydown event for all 137 of my objects. Is this possible?
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May 28, 2009
I am using KeyboardCallback to log my keyboard events.How can I get keydown screen coordinates as well, Is it possible ?? I can able to capture mouse screen coordinates but I want keydown screen coordinates.For your reference I have written procedure here...
Private Function KeyboardCallback(ByVal Code As Integer, ByVal wParam As Integer, ByRef lParam As KBDLLHOOKSTRUCT) As Integer If CBool(GetAsyncKeyState(Keys.Menu) And &H8000) Then
'Alt key pressed
KeyData = KeyData Or Keys.Alt
[code].....
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May 26, 2011
I am in need of a small application, that will allways be topmost and will send keystrokes to the last active application (typically notepad or an explorer window). My problem is retrieving the current active form (or application), when my application is started up. Every search seems to return old and rather complex solutions using Win32 library functions, but I was kinda hoping, that .Net allowed for a neater and more simple solution.I need a code example or link on how to retrieve the currently active application window from another application just starting up.
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Dec 15, 2010
Is it possible to set focus on the keydown event so after the button control, sets the focus into the keydown? although says often control can have focus,.Putting a button and a keydown event on a form...
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Apr 26, 2010
How I can run handler from one application to another, for example:
In application one I have form1 and button.
In application two I have also form1 and button.
Now how I can run handler for button on form1 in first application from application two?
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Mar 11, 2010
I have a mdi application. When some childforms are open (but only one is active) and the user press a button, I want to know, what form is open, because depending on this, an event will fire up. I imagine this so: at first I determine the active form with a separate function. And then with a select case statement the event will be fired up. How can I make this?
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Feb 23, 2011
How do I minimize all active forms in my application with a single button click?I have multiple forms visible at a time, and I want all my active forms to minimize when I click on a single button on one of the forms.
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Oct 7, 2009
I am developing a Windows Forms application. I have four forms which is inherited from Baseform in another project. In all four forms I am using a label to show some transaction count based on network status. I have implemented a thread which gets the active form of application and setting up the text. The code works fine if application screen is active. If I minimize and open any other application, I am getting an null error exception.
How do I get the active form of an application?
Private Sub StartThread()
pollThread =New Thread(AddressOf PollfileStatus)
pollThread.IsBackground =True
running =True
pollThread.Start()
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Jul 14, 2009
I want to know if the Windows Run key pressed. How can it be possible? What's the constant or ascii code for this key? The second: How can I know if the program, I wanted to use, is activated? What's the correct func. for this?
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Mar 13, 2012
I'm looking for a simple sendinput example, f. e. how can I send 'a' and capslock to the active application?
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Apr 13, 2009
I've tried everything to set my window as active after I've been working on another external App... I have my system on auto and need to send some keystrokes to the program using sendkeys, so I need that app active. I've tried almost everything I can think of, bringtofront, setfocus, windowstate, setactivewindow, setforegroundwindow (For the last 2, hwnd doesnt work - I'm using VB 2008 Express) but none of them seem to be working.
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Apr 1, 2012
I am creating an Excel add-in written in VB.NET. I would like to bind KeyDown and KeyUp events to the spreadsheet to record when the user presses and releases the arrow keys while navigating the spreadsheetIdeally, these events would be built into Excel alongside the native SheetActivate and SheetSelectionChange events, for example. Alas, they are not.
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Nov 6, 2009
I'm having troubles with terminating an application. When I close the main form everything disappears but the process remains active. I think I know the cause, a certain activeX component will not release properly. As soon as I create one, I can't close normally...
dim someActiveXcomponent = new X()
...
<formClosing>
someActiveXcomponent = nothing
GC.Collect()
GC.WaitForPendingFinalizers ' here it hangs
Probably a bug in that component, but the problem is that I don't have much of a choice, I'll have to use that component for now.
Calling
System.Runtime.InteropServices.Marshal.ReleaseComO bject( myObject )
will kill the reference and now the application closes properly.
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Jun 9, 2012
I have created an application which has a parent form and various child forms, when all child forms are closed and only the parent form is viewable would it be possible to exit the application?[code]...
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May 28, 2011
how to get all the active mdi child in an application..it is possible to work? me.ActiveMdiChild.Name
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Aug 1, 2011
I want to build a logger that shows how much time I use on difffifernet applications on my pc.
How can I get info about what what application is has the focus.
I'm new to .Net, OOP and this forum but love it!
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Apr 5, 2009
I amtrying to send ALT + 1 Key to the active application but the problem i am having is when i use SendKeys.SendWait("%1") the program ignores the alt key and jsut enters the 1. is there a way i can get this done?
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Sep 18, 2011
I want to make an application that allows the manager of the company whether the employees are truly active: screenshot and a "timer" to measure the time of the activity of the employee Can be controlled using the mouse or keyboard while the application is not active, but in execution.Is it possible in vb.net to know if the user of the machine is using the mouse or keyboard? My idea is to set a "Timer" which triggers automatically after the connection of the employee and every 10 seconds the application checks whether the mouse position has changed or a letter is entered on the keyboard except the"Timer" Will Be stopped until have a new mouse position or activity on the keyboard. But the problem is: is the application able to know the position of the mouse or to capture all keyboard input even if the application n 'is not active(not in the foreground)?
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Dec 29, 2009
I am new to VB; am developing my first VB program; and require some help in getting started. I wish to query information from an Active Directory server using a Visual Basic 2008 console application. I have .NET Framwork 3.5 installed and VB 2008 Express installed. Do I need to install anything else (any additional libraries or components)? Is VB 2008 Express capable of accessing information from Active Directory? Where can I find information about the classes and methods I should use query information from Active Directory?
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Mar 30, 2009
I want to get the active control (control which has the focus or where the cursor is on) each time the cursor moves to another control or each time a control receives a focus.
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Jan 26, 2012
A couple of months ago, before I started learning C++, I made an application in VB.net that reads memory from an external program. This could be anything, from notepad to windows media player etc. I have been trying to find a way to do the exact same thing in C++, but to my suprise I can't find anything straightforward on the subject. All google comes up with is threads on several forums, where the general response is "Windows doesn't allow you to read from memory you do not own". But if it works in VB.net, it can work in C++ too.
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Jun 18, 2009
I have an application that telnets into a server and we ping a bunch of IPs. What Im needing to do is it will automatically ping it like "ping iphere" the output looks like "64 bytes from machine&hostnamehere (iphere ): icmp_seq=0 ttl=121 time=60 ms. What Im needing to know is how I can read those lines then if it "iphere" matches the pinged ip it will update my txt file.
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Jun 29, 2009
im just wondering is it possible to do this easily as im not great at VB I have a simple webbrowser open when i click a menu item, and when it loads it goes to a text page on a online server i have (ends in .txt) which just has some text on, is it possible for me to add a button which when i press it, it searches the page for a certain number/word, then opens a message box with some text in relation to the number/text, or is this not possible with a webpage.
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Jun 18, 2009
I have an application that telnets into a server and we ping a bunch of IPs. What I need to do is it will automatically ping it like "ping iphere" the output looks like "64 bytes from machine&hostnamehere (iphere): icmp_seq=0 ttl=121 time=60 ms. What I need to know is how I can read those lines then if it "iphere" matches the pinged ip it will update my txt file. The only thing I need is reading the lines to see if it pings. One thing is if it doesnt ping it doesn't say anything its just empty space.
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