Global Hotkey Working For Application
Mar 17, 2012
I have implemented a global Hotkey into my code but the problem is that when I move the focus from the form to IE (For Example) i cannot use the Hotkey from my application. Everything is working great if I was to stay int the form but that's not the purpose of this code.
Private Sub frmMain_Load(ByVal sender As System.Object, e As System.EventArgs) Handles MyBase.Load
RegisterHotKey(Me.Handle, 9, MOD_ALT, VK_F9)
End Sub
Private Sub frmMain_FormClosing(ByVal sender As Object, e As
[Code] .....
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Oct 12, 2009
How would I go about checking if a global hotkey is already registered?
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Oct 11, 2010
Has anyone used a system wide hotkey and notice it no longer works? But the program is still running fine. When I run my program and it starts the hotkey, sometimes it will work fine all day, other times within 15 minutes I press the keys and the program does not react to it. I am using the keys Control-F2. Here is my
Public Sub SetHotkey()
Try
Select Case ComboBox2.SelectedIndex
[code]....
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Mar 3, 2009
What is the code to create hotkey? I want to create a hotkey that has the same function in my NEXT_BUTTON. So, that a user will just press the key Enter (Hotkey) than clicking the NEXT_BUTTON.
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Jul 12, 2011
I simply want to create an application that can save each n every keystroke pressed from the keyboard and then user will be able to assign it a hotkey. And then whenever user presses that hotkey the data that is relevent/linked with that hotkey should be pasted into the active window e.g. notepad, ms word, email etc. I have developed it on my own everything is working fine but whenever I hit the assigned hotkey it wont stop sending data to the active window maybe because of timer.
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Jan 12, 2012
Basically i am creating a vbnet system software. I want to create a shortcut key to lock the system with out affecting the windows explorer (just my system only). Is it possible to create one for that? Or let's say create a procedure that triggers anywhere whether the focus is on a control, on a form (whether shown as normal or modal), or on any other that has the focus on it.
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Nov 13, 2009
I want to make a program that's constantly running on the background and when I hit a specific combination of keys (example ctrl + alt + A) on any application it does *stuff*.
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Jul 3, 2010
I have a program that u record your clicks then you press a button (Ctrl + E) then it plays them back. What I want is for Ctrl+E to stop them, It would work but it seems like its being overpowered by the mousemoving and clicking. The keyhook did already work before I started on the playback part.
Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message)
If m.Msg = WM_HOTKEY Then
If m.WParam = 2 Then
If started2 = True Then
started2 = False
ElseIf started2 = False Then
[Code] .....
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Jul 20, 2010
When I fill a ComboBox the usual way, I am able to get it to work but when I try to make it a public sub so that it can be used over and over again, I am getting no where.[code]
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Jun 13, 2011
We run a CRM package and one of the features that it lacks is the ability to Date and Time Stamp when someone updates an activity. I was wondering if it would be possible to write a vb.net application that would start minimized to the system tray and then assign a hotkey to this app, for example CTRL Shift and K, that would paste a date time stamp into what ever application was focused at the time.
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Apr 8, 2012
Dim LabelArray(12) As Integer
LabelArray(0) = Label3.BackColor = Color.White
LabelArray(1) = Label4.BackColor = Color.White
[CODE]..................
i have made an array. first of all i want to make it global and on form load i wanna show it's first position and on a button' s click i want to increase it's position by one how can i do that
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Jan 4, 2011
i would like to ask if it is possible to change a hotkey to another hotkey in vb.net?.eg. when keys.k is pressed it will output as if keys.a is pressed..when I press k in a keyboard it will output letter a in any textarea etc.it will go on as long as the program continue running..
for the reason that i would like to create a program that will change a keystroke to another keystroke..anyone familiar with a dota hotkey/warkey?..its just like that..when I press alt+q it will output the num. 7 in the numlock
alt+q = 7 ; alt+w = 8
alt+a = 4 ; alt+s = 5
alt+z = 1 ; alt+x = 2
and so on..its just like that
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Apr 29, 2011
given a MDIParent Form and 2 MDI Children: frmChild1, frmChild2..How can i realize a Instance of MyClass in MDIParent, which I can read and write from frmChild1 and frmChild2 , too
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Jan 12, 2010
I am currently trying to program an online drawing program using the HTML5 canvas.the thing is, I need to have the current canvas saved somewhere globally. Static variables work, but they do not get shared across a Webgarden. This results in two different drawings being created.I will have to somehow create a new application object which is shared. I figured I will need an external application holding them.
1) How do I replace the application object with my own?
So either I will have to make my own program and call to it with remoting or use the ASP.NET session state server for application variables. I favor the Session State Server though.
2) How do I use the session state server for my own variables? How do I access it?
I searched high and low on the internet and only found the ideas mentioned above, but no help executing them.
I mainly code in VB.NET, but I can also understand C# code for examples.
A little info on my application:The client side has two canvas objects on top of each other. The top canvas object us used for drawing stuff, the canvas object below it holds the drawing in the end.When something is drawn, it is sent to the server in it's base64 representation. (getDataUri).The server puts this graphic on top of a stored Bitmap object through a Graphics object.
How the changes are being distributed to the other clients, I am working on that right now. Either I transfer the complete picture or each and every change that is submitted. This should work through Server Push. If this does not work thoroughly I will have to save and timestamp changes. A link to the current implementation, which is not currently fetching changes (but they get transfered to the server... With the problem that some reach one instance some reach the other on either w3wp in the webgarden) from the server is here: http:[url].....
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Jul 7, 2011
I want to create a global function to use throughout my application. Let say it's about the connection to the database.My code that i plan to use in my global function is:
myConnection = New SqlConnection("...........")
myConnection.Open()
So that I can call it to use in every form throughout my application. This can make me easy to edit the connection later.how to define this global function and how to call this function in the form.
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Aug 26, 2009
How do I defiine a global variable for the whole application so that it does not have to be defined in all the forms that need it.
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May 20, 2010
I am in the middle of development of a WPF application that is using Entity Framework (.NET 3.5). It accesses the entities in several places throughout. I am worried about consistency throughout the application in regard to the entities. Should I be instancing separate contexts in my different views, or should I (and is a a good way to do this) instance a single context that can be accessed globally?
For instance, my entity model has three sections, Shipments (with child packages and further child contents), Companies/Contacts (with child addresses and telephones), and disk specs. The Shipments and EditShipment views access the DiskSpecs, and the OptionsView manages the DiskSpecs (Create, Edit, Delete). If I edit a DiskSpec, I have to have something in the ShipmentsView to retrieve the latest specs if I have separate contexts right?
If it is safe to have one overall context from which the rest of the app retrieves it's objects, then I imagine that is the way to go. If so, where would that instance be put? I am using VB.NET, but I can translate from C# pretty good. I just don't want one of those applications where the user has to hit reload a dozen times in different parts of the app to get the new data.
All contexts are created in Using Blocks to dispose of them after they are no longer needed.When loaded, all entities are detatched from context before it is disposed.A new property in the MainViewModel (ContextUpdated) raises an event that all of the other ViewModels subscribe to which runs that ViewModels RefreshEntities method.After implementing this, I started getting errors saying that an entity can only be referenced by one ChangeTracker at a time. Since I could not figure out which context was still referencing the entity (shouldn't be any context right?) I cast the object as IEntityWithChangeTracker, and set SetChangeTracker to nothing (Null).
This has let to the current problem:When I Null the changeTracker on the Entity, and then attach it to a context, it loses it's changed state and does not get updated to the database. However if I do not null the change tracker, I can't attach. I have my own change tracking code, so that is not a problem.
My new question is, how are you supposed to do this. A good example Entity query and entity save code snipped would go a long way, cause I am beating my head in trying to get what I once thought was a simple transaction to work.
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Dec 27, 2011
My project is to create a shopping cart application. I have my main form and from there the user can go to two different forms to add books to their cart, the cart being the main form. This all works. What I can't figure out, is how to use global variables for the prices, shipping, tax and updating the total. I have places for this information to show up on the main form, and I've created a module for the calculations and prices, but I don't know how to code it to get the prices to show up in the specified areas.
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Jun 15, 2009
What is the recommended way in VS.NET to have a global application handler object? Something that can load/verify/return user folders, settings, application specfic settings, manage the unhandled exceptions, etc. I would have a class that has most of the code, then subclass it for each application.
I can create one if I start as a module instead of a form. But then I lose some options such as NetworkAvailabilityChanged, etc. I define a "Public" object from within a form (I don't think so and don't feel this would be the right approach.)?can I "attach" an object to an existing global object store (such as "My."), etc.?
Once created, any object in my application should be able to reference methods/properties of this application object to get default folders, user values, etc. as necessary.
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Jun 28, 2010
I want to define a global exception handler for unhandled exceptions in my console application. In asp.net, one can define one in global.asax, and in windows applications /services, one can define as below
AppDomain currentDomain = AppDomain.CurrentDomain;
currentDomain.UnhandledException += new UnhandledExceptionEventHandler(MyExceptionHandler);
But how can I define a global exception handler for a console application ?currentDomain seems not to work (.NET 2.0) ?
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Mar 15, 2012
evrytime i add new controls to a form in vb.net the designer regenerates code and asks me to make corrections, so i have to keep on changing the object declarations to global using the 'global' keyword evertime it regenarates code,especialy dataset objects.how can i prevent this?
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Jun 17, 2009
I need a single, global OleDbConnection. One which will be available to use throughout my app/project. Another project like a custom UserControl? I should mention I'm not using TableAdapters, BindingNavigitor, etc. The datasource is not associated with my project. I communicate with the Db through code I write. I'm just a hack trying to ride with the big dogs while I develop an app for my job... We were/are in the stone-age!!!
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May 1, 2009
i could use Global x as string in vb6 in a module to declare it with global privelages, how can i do this in vb2008? how to declare a global variable in vb2008? so that i could use it anywhere i want. i know global variables are not recommended in programming but i need one.
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Sep 9, 2009
I have a Windows Form application that has a global error handler to display unexpected errors.
Namespace My
Class MyApplication
Delegate Sub ProcessParametersDelegate(ByVal sender As Object, ByVal args() As String)
[code]....
1) for the same deployed code, I SOMETIMES get line number in the displayed StackTrace error message and sometimes do not, even when the error message includes source code that I have written rather than a referenced binary. The project is compiled with a DEBUG configuration.
2) The application strangely minimizes to the tray when the error occurs (I thin it is unlikely that anyone can diagnose this issue w/o my more code posted, but I'll mention it anyways)
3) When I try to intentionally raise an error by, for example, dividing by zero hoping to test by global error handler, I get a dialog error message from the interactive debugger rather than jumping into my global error handler (which i want to debug because there is more to it than I posted.) Do you have any idea how to triggerand force teh execution of the global event handler?
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Jan 19, 2012
I'm using loop to read data from sql and then make some calculations then save it again to another table but when application loop for 3 or 4 times it's freeze but the job is done but if loop = 10 or more then it is freeze and hangup for long time .i need to learn how to make my application working better and never freeze and make application working with any count for loop without freeze .
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Feb 4, 2011
I am writing an application for a customer and one of the late requirements is for a (ideally) configurable key stroke to display a form. This should operate no matter which form/ dialog is currently displayed. Firstly is this possible and secondly how do I do it without adding the same code to every single form and dialog box which now number about 40 and growing.Windows 7, vs 2010, vb.net, infragistics controls.
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Jun 3, 2011
I'm trying to use the Shell to have my application call an external application but its not working...I don't understand why. I get the following error: 'System.windows.shell' is a namespace and cannot be used as an expression!
Heres my code....any ideas what I'm doing wrong. Its got to be a simple...stupid error.
Private Sub mnuUpgrade_Click(ByVal Ctrl As Microsoft.Expression.Web.Interop.Legacy.CommandBarButton, ByRef CancelDefault As Boolean) Handles mnuUpgrade.Click
[CODE].....................
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Apr 10, 2009
How do I register a hotkey in VB.NET?
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Jun 19, 2009
I would like to add ctrl + F as my hotkey into my vb.net chat application. i'm using Visual studio 2008.
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May 17, 2012
What I would like to do is have say button1 linked to the F10. So if a user presses the f10 key the code in button1 is executed. I know it probably has something to do with the key press down event, but just not sure how to make it know when the F10 key is hit.
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