Detect What Forces My Textbox Contextmenu To Close Soon After A RightmouseUp?
Jul 23, 2011
When you you right click on a textbox the context menu is automatically open.
I have put a textbox inside a relatively complex user defined user control.
The annoing thing is that when I try to open the context menu with a rightclick the context menu is open but it shuts down soon after.
I tried to see if the mousedown or mouseUp of my (preview and not) usercontrol could interfere with this but i did not find anything.
Is there any trick that I can use to see what forces my context menu to close soon after is open?
Is there something in Vb2008 that allows me to see the steps widthout using breackpoints
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Dec 2, 2010
how do I check to see if an application is running on the computer and, if it is, then close it? For example, I want to see if "myprog.exe" is running and, if it is, send it a message telling it to
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Apr 27, 2011
I am having a Web Page that looks like:
<%@ Page Language="vb" AutoEventWireup="false" MasterPageFile = "~/Master11.master" CodeBehind="test7.aspx.vb" Inherits="MyApp.test7" %>
<%@ MasterType TypeName = "ASP.sample_template_master" %>
<asp:Content ID="Content2" ContentPlaceHolderID="mainContent1" runat="server">
</asp:Content>
When the user closes the browser, I want to display a confirm box if the user wants to save before exit.
If he says yes, then I wish to save the information in database and close the browser else I just close the browser.
I read msdn forums but all I found was window closing event which I was not able to apply here.
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Nov 4, 2009
I have Example and i need to kill the session when user close his browser window.
i tried page_unload() not working. the example is:i have parent windows and window will open from it i need to delete session when user close the child window.
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Dec 28, 2006
I was investigating on Google wether there was any sort of code that would return the current state of a laptop's 'lid'. I need to be able to find the state of the lid and be able to execute code before the defined event in Windows Power Management is executed.I have come across ExCreateCallback and stuff on MSDN however I wouldn't have the faintest on how to implement it into VB.
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Apr 11, 2009
I am developing an application in Vb.net 2008.In it I wish to add a conformation message box when ever someone attempts to close the application window.So I want to detect that some one has clicked on close button which is present on title-bar of my window.
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Dec 13, 2011
how can I detect if press Enter in the Textbox Change event and not in Textbox Keypress?
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Jan 16, 2009
I'm currently in the process of building a text editor type program, and have run into a brick wall. I haven't done VB in years, so I may just need a little reminder on some things. I have coded everything so far as far as opening files, saving them, changing fonts, colors, etc. However, I'm looking to add a Close button to my menu strip that will just close the currently opened file, and not the entire program, while also ask the user if he/she would like to save before closing the file, and then if they select yes, it will show the save dialog, and if not, it will go ahead and close the currently opened item.
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May 7, 2012
The Textbox_TextChanged event fires when a key is pressed or when text is pasted while cursor is in a text box.
Is there an event that fires on Textbox1.text="NewText"? How do I detect this?My reason for doing this is I would like to reformat text property automatically on assignment rather than do something like textbox.text=myreformat("Newtext").I can put code in validating or validated event but then I'd have to force focus/lostfocus to trigger one of those events.
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May 11, 2010
I'm using VB Express 2008 and I want tto write a simple code.
[Code]...
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Nov 19, 2010
I am new to Visual Basic and i am using VS 2008. I have a form with multiple (7) text boxes. What i would like to accomplish is basically, when i click on textbox 1 a predefined message would load to label1 and when i click on textbox2 label1 would now displays a different pre-defined message and etc... I've tried using the "focus" parameter of the textbox but it doesn't work. So i am thinking of using the cursor as a way to solve my problem but i don't know how to work with it. I found a very similar thread titled " Detect when the cursor is in a textbox/typing in webbrowser?" on this forum but i don't think it applies to my situation.
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May 7, 2012
What I have: 1 OpenFileDialog, 1 PictureBox, 2 TextBox's This is what I got so far, but I'm just stuck on how to have the width of the image automatically detect and put the images width in pixels in TextBox1, and the height in TextBox2.
Public Class Form1
Private sizew As Integer
Private sizey As Integer
[code]....
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Apr 19, 2011
If this is a stupid question, then let me know. I can't just figure it out.First of all, this is my question. How do I detect the changed value on those text boxes?I have an idea that I create a another string values that have the original values and compare them right before saving or form closing event. This sample just have 3 text boxes, but I have 50 + text boxes on my one form. I can do it that way, but that is not really smart idea.Can I use abcDB.SubmitChanges() to detect any data changes on text boxes?
Dim sqlQuery = (From obj in abcDB.HelloWorld
Select obj.Fname, obj.Lname, obj.PhoneNumber).FirstOrDefault()
me.textboxFname.text = sqlQuery.Fname
[code].....
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Feb 2, 2012
I have 2 forms (clients and contacts). When I double click the datagridview (wich resides on a tabcontrol) the contact form is opened (frmcontact.showdialog).
Then I close the form (me.close (in form closing I do a me.dispose))
Then I want to open an empty contactform but it contains the value of the last time I opened the contactsform.
Everywhere else in my programm it's working fine. Just not here.
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Jan 5, 2012
I have a TextBox with a list of filenames in it. The user is able to change these file names, but I don't want them to enter invalid characters, such as slashes or question marks.
I've tried two approaches, but they are not satisfactory:
1. Detect the key pressed with the KeyDown event:
Use e.KeyValue to detect keys like Keys.Oem5 (= backslash), then use 'e.SuppressKeyPress = True' to suppress the key.Problem is, with different Keyboard layouts, The Oem5-key isn't always a backslash.
2. Filter the text:
Use the TextChanged event and do a Replace("", "") on the text for every invalid character (there's 9 of them).Of course this will create 'lag' with every keystroke, especially if there's a lot of text. Also the text-cursor and scrollbar will jump back to the top-left when using Replace.
In short: I'm looking for a way to detect the character that is being entered and suppress or remove it when invalid.
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Sep 29, 2009
How can I detect if a text is pasted in a textbox (and not typed?)
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Mar 28, 2010
I'm using a custom webbrowser to display a special intranet for my company.I need to be able to display a custom keyboard whenever the user can type in the webbrowser. So if they click on a textbox within the page to type, this custom keyboard appears.when the user is in 'typing mode'. I thought maybe checking when the cursor changes to 'ibeam' which is the typing cursor? How might I do that, or is there an easier way?
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Feb 26, 2011
I want to detect when the user has changed the content of a Textbox.
The following does not work for me, because: When the user navigates through the database (using my navigation buttons), the textbox is also changed, but NOT by the user making input. I would only like to know when the user EDITED the Textbox.
Private Sub mskStudentNumber_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles mskStudentNumber.TextChanged
If Not Movement Then '' If not navigation
[Code]....
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Mar 24, 2010
how i can make it so if somebody enters information to a textbox in a form. how can i make it so when they reopen the application theyre text is there.
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Feb 28, 2011
I have some textboxes bound to a bindingsource and bindingnavigator.
I want to detect when the values have changed and prompt the users to confrim if they want to update.
When the form is first initalised and when then binding navigator moves to the next record the text_changed event fires on textbox where I have a boolean to determine if things have changed.
Is there a way to set my boolean only when valid data changes have occured or a better way to detect if things have changed
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Feb 6, 2012
I'm working on a Form that contains a datagridview and textbox, I need the datagridview detect any letter of the alphabet or numbers, then select the input and send the key pressed to input.
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Jan 17, 2011
I've searched for a while and I just can't get it working I have a context menu that has some items (I know how to edit those) but I just can't get the ContextMenu to pop up when I right click my PictureBox3!
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Oct 27, 2011
i have a datagridview. On right click it shows a contextmenu but it is always in the right upper corner. I want it so that the menu appears on the cell where user right clicks. It could be Cell 1 or two or whatever.
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Jul 16, 2009
I have a ContextMenu attached to a tray notifyIcon and I already have it on the form in design mode. If I look at it in design mode I can see evereything that I have on the main pop-up context menu. What I am trying to do is add to one of those choices programatically. Worked fine in VB6.I am reading in a list of filenames from a directory and want to place them as menu items in the 2nd level of the context menu.
Example:
[Code]...
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Sep 4, 2011
I have a contextmenu on my winform appplication. I have a bit of trouble with clicking on the menu items event. When I click on menu items event, the menu items do not fade or even hide. I want to know how to hide the contextmenu?
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Oct 30, 2009
I have a shockwave on a form in my VB.NET application. Everything works great. Although, when a user right-clicks over the flash movie a flash context menu is displayed. How do I use the form contextmenu on flash??
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Jan 17, 2009
I have set up a notify icon for my form. I want to make it so that when the user clicks the close button that it doesn't close the form it just takes it to shows the notify icon. They can exit the program from the notify icon. Can someone tell me how to keep it running?
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Nov 29, 2009
It seems like whenever i click my close button the application will close but the debugger is still in active.How to exit this debugger? :)
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Mar 4, 2011
In a program I'm working on, I want a "Loading..." dialog to close when it can't log in to a site using the username and password provided by the user. Basically, I have the code set up right because the function it is supposed to carry out when that occurs does work, but for some reason it ends up in some really weird stuff happening. In the Loading form, I have it set to do "Form1.Show()" and then "Me.Close()", assuming it would simply show the login form and then close the Loading form. However, when this happens, the Loading form closes, and then for only an instant Form1 shows, and then the Loading form shows and Form1 closes. This happens forever until I stop the debugging, and I can't seem to figure out why. Am I using the wrong method? What exactly does Me.Close() do anyways? All I want to do is close the form and open another
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Apr 11, 2012
Same question: WPF ContextMenu with ItemsSource - how to bind to Command in each item?
I tried implementing it as below but no dice.
Currently have in my XAML:
<DataGrid.ContextMenu>
<ContextMenu ItemsSource="{Binding Users}">
<ContextMenu.ItemTemplate>
[Code].....
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