Implement A ContextMenuStrip And Take Action Based Upon Individual Element Right-clicked?
Jan 24, 2010
I have a TreeView with dynamically added nodes which I am using to actually contain textual data. I am using the tag field to contain special info for acting upon, based upon the node's tag. I have tried using treeview.SelectedNode.Tag. However, the selected node is the one most recently selected (like with a left mouse click), not the node I right-clicked. I have also tried using the contextmenustrip.SourceControl, but the source name for the control is always the container, the treeview control rather than the individual nodes. I have even tried associating my ContextMenuStrip dynamically to each individual node as it is added. The behavior is the same.A workable solution might be to cause a left-click when I do the right-click to bring up the context menu strip. I haven't been able to figure that one out yet either.
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Mar 21, 2009
My app pulls news stories from my website and dumps them in a contextmenustrip. If for some reason they can't be gotten, then a refreshbutton appears instead.I'm using this code to perform an action based on the content of a contextmenustrip. But how do 'override' the default to allow for the 'refresh' option? ie - would should I put here -->
[code]...
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May 28, 2009
I want a context menu strip to have 4 specific items. For testing purposes, we call them Item1, Item2, Item3, and Item4.I've set up a context menu strip like this, and I am using it for about 20 different controls. I want these four items to do different things based on what control the user right clicks. The only way I could think of doing this, was to make 20 context menu strips and create a click event for each item. This obviously, seems like a really bad way of doing it.Does anyone have any suggestions or another way of making the click events for the individual Items based on what control is right clicked?
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Jan 15, 2010
I'm using a ContextMenuStrip for multiple controls and I'm trying to figure out the best way to get the control that was actually clicked on to open the Context Menu. The sender just gives the ToolStripMenuItem reference, which has an Owner property that references the ContextMenuStrip, but I cannot figure out how to tell which control the click came from. There must be a simple way to check this, right? I'm checking it in the ToolStripMenuItem's click event.
Friend WithEvents mnuWebCopy As System.Windows.Forms.ToolStripMenuItem
...
Private Sub mnuWebCopy_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles mnuWebCopy.Click
I found a similar post about this, but that mentions using a SourceControl property which I do not see on here.
I'm using Visual Studio 2008, VB.Net winforms.
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Oct 27, 2010
I need to bind a textblock.text property to a single element in an observable collection, or array element, and have the text update using the INotifyPropertyChanged or INotifyCollectionChanged, whichever is best.
Most examples describe ways to bind listboxes or other list views to entire collections, but my application needs to update several textblocks on a screen depending on notification of a change in one or more elements of an array.
textblock1.Text = MyArray(0)...
textblock2.Text = MyArray(1)...
textblock3.Text = MyArray(2)...
textblock4.Text = MyArray(3)...
Is it possible to bind a single textblock to a single array element? Is it possible to get notification of the proper type that will update one or more of the textblocks if any assigned element changes?
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Jun 11, 2009
WHen we click on site whether left click or right....Control goes to IEDoc_MouseDown event,I just want to ask is that possible to know taht which element is clicked..Suppose we right click on link,is that possible to know it that link is clicked.[code]
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Jul 20, 2010
1) When displaying text in a label with autosize=false, is it possible to display as much of one word as possible until it gets cutoff. Right now, if one word is longer than where the end of the label is set to, it won't display any of that word.
2) Is it possible to implement a down/up button that when clicked will scroll the listbox either down or up. I'm thinking of having the button change the selected index +/- 1, but will the view of the box scroll with the newly selected items?
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Jun 11, 2009
WHen we click on site whether left click or right....Control goes to IEDoc_MouseDown event,I just want to ask is that possible to know taht which element is clicked..Suppose we right click on link,is that possible to know it that link is clicked.
Public Class Form2
Dim WithEvents IEDoc As System.Windows.Forms.HtmlDocument
Private Sub Form2_Load(ByVal sender As Object, ByVal e As System.EventArgs)
[Code].....
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May 7, 2009
WHen we click on site whether left click or right....Control goes to IEDoc_MouseDown event,I just want to ask is that possible to know taht which element is clicked..Suppose we right click on link,is that possible to know it that link is clicked.
Public Class Form2
Dim WithEvents IEDoc As System.Windows.Forms.HtmlDocument
Private Sub Form2_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
[code]....
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Nov 14, 2011
I'm having some issues with the suppression of the typical javascript and other scripting errors that show in the webbrowser.I have three webbrowsers. The third webbrowser goes out and determines some action based upon location. The one thing I'm having trouble with is this example. It states that it should work but the errors keep on coming.I attached some of the code below. Am I doing something wrong?
[Code]...
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Oct 26, 2011
I have a mvc 3 vb.net razor App that I need to redirect the view to a different action if the link is not clicked on between a preset range of Month/Day/Year ranges.This is needed to limit registration for a school semester to only be able to be performed between and Open Registration Date and a End Registration Date.I am thinking I can simply put this in the controller function in the form of either a If Statement or a select case and then use redirect based on the condition of the date..Is there some simple short code to use to perform this test.My variables for the dates are OpenDate and EndDate.[code]
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Mar 9, 2012
i want to implement trigger in my vb.net project i am using sql server 2005 that come with vs 2008. all that i need to do is i want to create database trigger that fired on every day at say for ex. 9:00 a.m.
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May 14, 2009
I guess this is really a Visual Basic question, but I am trying to implement a choice of Strings statements based upon the month.
example: I am making a monthly free drawing, and I have made a SQL db table that has the months as the primary, then the prizes. I want to be able in VB to get the current date (which I can do) and make 12 IF statements that are the Months so that the proper data is pulled from the table.
IF CurrentDateTime.Month = 1 then SelectStatement = "SELECT FirstPrize, SecondPrize, ThirdPrize FROM MonthlyDrawing WHERE Month = January" and so on
So if I know how to get the current datetime, how do i access the month part and apply it? AnnualCountDownTime.Text = DateTime.Now.ToString("D" This is what I currently use to display the time.
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Feb 25, 2012
form1 have four buttons, i want to set a label text in form2 according to which of the button on form1 is clicked.below is what i tried so far.on form1 each of the button click event i made it focus
Private Sub Answerbtn3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Answerbtn3.Click
Me.Focus()
Form2.Show()
and on form 2 load event i have
Private Sub FinalAnswer_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If Main1.Answerbtn1.Focus Then
Label2.Text = "You choosed option '
[code]....
the above code displays only the first condition ("You choosed option 'A'"") on the label when any of the button is clicked?
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Dec 15, 2011
I need to determine which students have a specific major based upon the button that is clicked , then code will pull all the CS student's name and put them in the results list box. The text box above the results list box should contain the specified major and the text box below the results list box should contain a message indicating the total number of students with specific major.
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May 11, 2010
I have to create buttons at rum time based on database records and implement their events.
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Jul 11, 2011
So I have a code atm that has 2 combo boxes, one to select the make, then it will enable the model, I have 3 model choices, here's code: [code] Once I have selected my model of the car, it takes me to that specific form with a picture of that model, I then want to display individual parts, with individual prices that will add up in a text box above.
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Mar 28, 2011
a datacontext defined in a module(domain services ado.net ria)a page having add/delete methods whenever any method is executed, it is found that all the previous actions (NEW RECORD ADDITION and DELETION OF RECORDS) are carried out before the new action is carried out normally
this behaviour is not prominent but "when using break points and inspecting the values of the variables and table object to be added to context, it is clear that all the previous actions take place again. even when the datacotext. savechanges is called, even after that still all actions carried out on the datacontext repeat themseleves, when any new action is to be carried out
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Feb 14, 2012
I have a number of rewrite rules for a lot of things that I did in IIS7, like removing trailing slashes, canonnical URLs, lowercase lettering, and such. IIS altered my web.config, and everything works fine on the website, like it should. But in the Visual Studio web.config, the opening < rewrite > statement is underlined in blue, and at the bottom of VS, it says that the element 'system.webServer' has invalid child element 'rewrite'. But this is how IIS made it. I didn't do this manually. Should I be concerned with this VS error, or should I just leave as be, since it's working how it should work? Here's an example of my web.config:
[Code]...
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Apr 13, 2011
Is there a way to control the way a browser behaves such as if I click on this link it doesn't navigate to that link but instead show me the source code behind that button?
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Mar 11, 2010
I need to randomly pick an element from an array and I can only use that element three times,I can randomly pick the element but how do I go about only using it three times.
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Feb 21, 2012
I have been doing well and also I am a noob I know it and you know it a lot has started making sense and I am evening figuring new things out without using Google but of course I have hit another snag in my program so here goes
I am waiting for an email to arrive (the page automatically refreshes) and then I want to click the link (I do not need to click to open the email or anything like that) I also have the code to click and navigate to the address reason being it was the only way I could figure out how to stop it opening in a new window on IE
So my only problem is I need a way to check every x seconds for the element and then if its there proceed with my code and if its not wait and then check again or however this is done in VB.If this is not the way its done please point me in the right direction the code I am using to find and then navigate to the link is
Dim emailpageelements As HtmlElementCollection = WebBrowser2.Document.GetElementsByTagName("a")
For Each emailver As HtmlElement In emailpageelements
If InStr(emailver.InnerHtml, "https://twitter.com/account/confirm_email/") Then
WebBrowser1.Navigate(emailver.InnerText)
[Code]...
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Jun 7, 2011
I want to be able to reference an element in an array of structures by the name of the element in a visual basic 2010 function. For example
Public Structure myStruct
Public element1 as string
Public element2 as integer
Public element3 as boolean
[code]...
Is it possible to reference a structures element by the element's name in a similar way to that shown above. The code shown above does not work, as the expression obj(i).[elementName] does not work as hoped.
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May 23, 2012
I have the following XML:
[Code]...
I am accessing the name of the child element like this:
[Code]...
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Mar 3, 2011
I would like the following function to return Nothing if the element with the specified key is not in the collection. Instead, it returns an error - something to the effect of "no element found"
Public Class MyCollection
Inherits System.Collections.ObjectModel.Collection(Of MyType)
Public Function FindByActivityKey(ByVal searchValue As Integer) As MyType
[code]....
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May 24, 2012
I would like to associate a web page element, a textbox for example, with a textbox in my form. When a user types something in the textbox, I would like it to be like he types it on the webpage.
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Oct 2, 2009
I know I can create XML ouput in Example 1 as follows using the following code in Example 2. How do I create the same output in Example 3?[code...]
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Apr 12, 2011
So I have a bit of a problem and maybe I'm going about it in the wrong way UNPOSSIBLE! :-D
All I'm looking to do is create a few popup menus using contextmenustrips, it seems reasonable enough to me. What I want to happen is when I mouse over a label I want it to open up the contextmenu and THEN close once I am off the label and the contextmenu strip WITHOUT having to click the form. so I can go up and down a set of labels and popup menus as I move the mouse over each. This has turned out to be much harder than I anticipated. :-o
So at first I though ok lets try this code below. But this just causes the menu to flicker I "thought" focus would go to the contextmenustrip but i doesnt seem that way
Public Class Form1
Private Sub Label1_MouseHover(ByVal sender As Object, ByVal e As System.EventArgs) Handles label1.MouseHover
ContextMenuStrip1.Show(Label1, 20, 0)
End Sub
Private Sub Label1_MouseLeave(ByVal sender As Object, ByVal e As System.EventArgs) Handles Label1.MouseLeave
ContextMenuStrip1.Visible = False
End Sub
Private Sub Label2_MouseHover(ByVal sender As Object, ByVal e As System.EventArgs) Handles Label2.MouseHover
ContextMenuStrip2.Show(Label2, 20, 0)
End Sub
Private Sub Label2_MouseLeave(ByVal sender As Object, ByVal e As System.EventArgs) Handles Label2.MouseLeave
ContextMenuStrip2.Visible = False
End Sub
End Class
So then I thought ok well I'll just try to have it where when I leave the contextmenustrip I'll close that. THIS WORKS but not exactly how I want it to I can hit a label then jump onto the menu then off to another label but cant go label to label up and down the form.
Private Sub ContextMenuStrip1_MouseLeave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ContextMenuStrip1.MouseLeave
ContextMenuStrip1.Close()
End Sub
Then I thought ok well how about something like
Private Sub Label1_MouseHover(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.MouseHover
If Label1.Focus Then
ContextMenuStrip1.Show(Label1, 20, 0)
Else
ContextMenuStrip1.Close()
End If
End Sub
But that didnt work either, I have another vb.net guy with me and hes all *shrug* I'm probably just going about this in the wrong way your suggestions are welcome. Thanks mucho everybody
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Sep 27, 2009
I am formerly a VB6 programmer learning the .Net world of VB2008. I am confused and need assistance with the following.I am attempting to get a ContextMenuStrip to work on a DataGridView. I want my program to add the ContextMenuStrip and fill in its menu items. I would then like a right-click on a menu item to take me to a unique click event to handle the specific menu action.The example below is a simple form with a datagridview (1) and contextmenustrip (1). I could not get it to work without adding the ContextMenuStrip control manually.
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Jan 6, 2009
I have a windows form application that has two tabs on it. On each tab there is a RichTextBox which i want the user to be able to copy, paste etc from within.I have tried to set this up but am finding that when i paste anything into the RichTextBox1 it is also copied into the RichTextBox2 on the second tab?My code is below, can you spot any errors with this? I only have 1 ContextMenuStrip within my form, should i have more than this?
Private Sub PasteToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PasteToolStripMenuItem.Click
RichTextBox1.Cut()
[code].....
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