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  4. How do I get a custom context menu to show up???

How do I get a custom context menu to show up???

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  • L Lost User

    Okay, I just started back working on my web browser, and I want to have my custom context menu show up when the user clicks inside the browser..... This is what I have...

    Private Sub Form1\_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim Browser As New WebBrowser
        TabControl1.TabPages.Add("New Tab")
        Browser.Name = "Web Browser"
        Browser.Dock = DockStyle.Fill
        TabControl1.SelectedTab.Controls.Add(Browser)
        AddHandler Browser.ProgressChanged, AddressOf Loading
        AddHandler Browser.DocumentCompleted, AddressOf Done
        Int = Int + 1
        CType(TabControl1.SelectedTab.Controls.Item(0), WebBrowser).Navigate(UrlLocation.Text)
    End Sub
    

    That is where I suspect the bit of code will have to go... Since I'm using Tab Control instead of the WebBrowser... Also, within the Context Menu, I am stuck on two parts...

    Private Sub OpenLinkInNewWindowToolStripMenuItem\_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OpenLinkInNewWindowToolStripMenuItem.Click
    
    End Sub
    
    Private Sub OpenLinkInNewTabToolStripMenuItem\_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OpenLinkInNewTabToolStripMenuItem.Click
    
    End Sub
    

    What code would I add there to have it allow the user the option to open the Link in a new tab or a new window when they right-click over a link on the current webpage? This is all I should need to complete my Web Browser for now.... Thanks.

    ~tbs

    L Offline
    L Offline
    Luc Pattyn
    wrote on last edited by
    #2

    ?? The way I create context menus does not involve any ToolStrip thingies. Just: 1. use MouseDown event 2. make sure the right mouse button is clicked 3. create a ContextMenu; 4. populate it (i.e. add menu items with their text, and attach a handler for them); 5. show it. Something like this does the basics of step 4 (sorry, it's C#):

    protected MenuItem addMenuItem(Menu menu, string text, Shortcut sc, EventHandler handler) {
    MenuItem menuItem=new MenuItem(text);
    menuItem.Click+=handler;
    menuItem.Shortcut=sc;
    menu.MenuItems.Add(menuItem);
    menuItem.Enabled=handler!=null;
    return menuItem;
    }

    PS: there probably is a more modern alternative, using a ContextMenuStrip instead op a ContextMenu; I haven't used it yet. :)

    Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles] Nil Volentibus Arduum

    Please use <PRE> tags for code snippets, they preserve indentation, and improve readability.

    1 Reply Last reply
    0
    • L Lost User

      Okay, I just started back working on my web browser, and I want to have my custom context menu show up when the user clicks inside the browser..... This is what I have...

      Private Sub Form1\_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
          Dim Browser As New WebBrowser
          TabControl1.TabPages.Add("New Tab")
          Browser.Name = "Web Browser"
          Browser.Dock = DockStyle.Fill
          TabControl1.SelectedTab.Controls.Add(Browser)
          AddHandler Browser.ProgressChanged, AddressOf Loading
          AddHandler Browser.DocumentCompleted, AddressOf Done
          Int = Int + 1
          CType(TabControl1.SelectedTab.Controls.Item(0), WebBrowser).Navigate(UrlLocation.Text)
      End Sub
      

      That is where I suspect the bit of code will have to go... Since I'm using Tab Control instead of the WebBrowser... Also, within the Context Menu, I am stuck on two parts...

      Private Sub OpenLinkInNewWindowToolStripMenuItem\_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OpenLinkInNewWindowToolStripMenuItem.Click
      
      End Sub
      
      Private Sub OpenLinkInNewTabToolStripMenuItem\_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OpenLinkInNewTabToolStripMenuItem.Click
      
      End Sub
      

      What code would I add there to have it allow the user the option to open the Link in a new tab or a new window when they right-click over a link on the current webpage? This is all I should need to complete my Web Browser for now.... Thanks.

      ~tbs

      T Offline
      T Offline
      Tom Foswick
      wrote on last edited by
      #3

      Hi, It's pretty easy. You need to first make a ContextMenuStrip and add it to the form. It looks like you've already done this because you showed event handlers for items. I'm going to call that ContextMenuStrip "myContextMenuStrip". Clever, huh? OK, the WebBrowser object has a ContextMenuStrip property. If you can set it at design time, then do that. Otherwise, you can add it to your dynamically-created WebBrowser object:

      Dim Browser as New WebBrowser
      Browser.ContextMenuStrip = myContextMenuStrip

      This assumes you are making a Windows Forms app. I don't think the WebBrowser control for WPF has this property. There are options though. As for the code to open in a new window or tab, that is a bit more complicated. You would think it would be easy, but it's not really straightforward. Here's why: The WebBrowser control is only a wrapper to a single IE window. Tabs in IE are handled by the application. Each tab contains its own WebBrowser control. (It doesn't actually use the WebBrowser control as such, but this illustrates the point.) So, the WebBrowser control that you put on your form doesn't know anything about tabbed browsing or other windows. If you want that behavior, you need to create it manually. For example, if you want to open a link in a new tab, you need to: 1) Ascertain the URL 2) Create a new tab 3) Create a new WebBrowser instance and put it on that tab 4) Navigate the new WebBrowser to the URL It looks like you understand steps 2-4. If you need help finding the URL of the link, let me know. Opening in a link in a new window involves a similar process: 1) Ascertain the URL 2) Create a new window 3) Create a new WebBrowser instance and put it in that window 4) Navigate the new WebBrowser to the URL Good luck.

      L 1 Reply Last reply
      0
      • T Tom Foswick

        Hi, It's pretty easy. You need to first make a ContextMenuStrip and add it to the form. It looks like you've already done this because you showed event handlers for items. I'm going to call that ContextMenuStrip "myContextMenuStrip". Clever, huh? OK, the WebBrowser object has a ContextMenuStrip property. If you can set it at design time, then do that. Otherwise, you can add it to your dynamically-created WebBrowser object:

        Dim Browser as New WebBrowser
        Browser.ContextMenuStrip = myContextMenuStrip

        This assumes you are making a Windows Forms app. I don't think the WebBrowser control for WPF has this property. There are options though. As for the code to open in a new window or tab, that is a bit more complicated. You would think it would be easy, but it's not really straightforward. Here's why: The WebBrowser control is only a wrapper to a single IE window. Tabs in IE are handled by the application. Each tab contains its own WebBrowser control. (It doesn't actually use the WebBrowser control as such, but this illustrates the point.) So, the WebBrowser control that you put on your form doesn't know anything about tabbed browsing or other windows. If you want that behavior, you need to create it manually. For example, if you want to open a link in a new tab, you need to: 1) Ascertain the URL 2) Create a new tab 3) Create a new WebBrowser instance and put it on that tab 4) Navigate the new WebBrowser to the URL It looks like you understand steps 2-4. If you need help finding the URL of the link, let me know. Opening in a link in a new window involves a similar process: 1) Ascertain the URL 2) Create a new window 3) Create a new WebBrowser instance and put it in that window 4) Navigate the new WebBrowser to the URL Good luck.

        L Offline
        L Offline
        Lost User
        wrote on last edited by
        #4

        Well, My main goal right now is to get the custom context menu to work. It didn't show up with the code you supplied. As for the other codes, those can come with time.

        T 1 Reply Last reply
        0
        • L Lost User

          Well, My main goal right now is to get the custom context menu to work. It didn't show up with the code you supplied. As for the other codes, those can come with time.

          T Offline
          T Offline
          Tom Foswick
          wrote on last edited by
          #5

          Hmm ... I just did it to verify that it works. Do this: - Create a new Windows Forms Application. - Add a tab control to Form1 with a tab named "TabPage1" - Add a ContextMenuStrip control to Form1 named "ContextMenuStrip1" - Add an item to the ContextMenuStrip. (I made an item labeled "Test".) - Add the following code to the form:

          Private Sub Form1\_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
              Dim Browser As New WebBrowser
          
              Browser.IsWebBrowserContextMenuEnabled = False
              Browser.ContextMenuStrip = ContextMenuStrip1
              Me.TabPage1.Controls.Add(Browser)
          End Sub
          

          - Run the app, and right click on the browser. It works perfectly for me.

          modified on Monday, August 30, 2010 8:22 PM

          L 1 Reply Last reply
          0
          • T Tom Foswick

            Hmm ... I just did it to verify that it works. Do this: - Create a new Windows Forms Application. - Add a tab control to Form1 with a tab named "TabPage1" - Add a ContextMenuStrip control to Form1 named "ContextMenuStrip1" - Add an item to the ContextMenuStrip. (I made an item labeled "Test".) - Add the following code to the form:

            Private Sub Form1\_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
                Dim Browser As New WebBrowser
            
                Browser.IsWebBrowserContextMenuEnabled = False
                Browser.ContextMenuStrip = ContextMenuStrip1
                Me.TabPage1.Controls.Add(Browser)
            End Sub
            

            - Run the app, and right click on the browser. It works perfectly for me.

            modified on Monday, August 30, 2010 8:22 PM

            L Offline
            L Offline
            Lost User
            wrote on last edited by
            #6

            It didn't work. please can someone figure this out?

            T 1 Reply Last reply
            0
            • L Lost User

              It didn't work. please can someone figure this out?

              T Offline
              T Offline
              Tom Foswick
              wrote on last edited by
              #7

              This has already been figured out. The solution I gave you works. If you want more assistance, you should provide more information other than, "It didn't work." Then, perhaps I, or someone else, can tell you why it didn't work for you. The solution I posted it how it is done though. I have done this in two commercial apps, and recoded a simple project (as I described) to verify I didn't miss any steps in describing it to you. Is it possible you are building a WPF app? As I mentioned earlier, the procedure is different for WPF apps.

              L 1 Reply Last reply
              0
              • T Tom Foswick

                This has already been figured out. The solution I gave you works. If you want more assistance, you should provide more information other than, "It didn't work." Then, perhaps I, or someone else, can tell you why it didn't work for you. The solution I posted it how it is done though. I have done this in two commercial apps, and recoded a simple project (as I described) to verify I didn't miss any steps in describing it to you. Is it possible you are building a WPF app? As I mentioned earlier, the procedure is different for WPF apps.

                L Offline
                L Offline
                Lost User
                wrote on last edited by
                #8

                I am building a Windows form, and I am using the Tab Control.

                T 1 Reply Last reply
                0
                • L Lost User

                  I am building a Windows form, and I am using the Tab Control.

                  T Offline
                  T Offline
                  Tom Foswick
                  wrote on last edited by
                  #9

                  If you followed the example I gave, my guess is that you did not follow it exactly. The example, as I gave it worked. Howevever, if you subsequently call WebBrowser.Navigate() to go to a web page, then the web browser's built-in context menu kicks in. My guess is that you didn't try the example as I gave it, or you did, it worked, but then when you tried to incorporate the concept into your application (where Navigate() is called) it stopped working there. That is just my guess though since you haven't really given much information. In any case, I modified the example by adding the line:

                  Browser.IsWebBrowserContextMenuEnabled = False

                  ... which will disable the default context menu so that it won't override after you have navigated to a page.

                  L 1 Reply Last reply
                  0
                  • T Tom Foswick

                    If you followed the example I gave, my guess is that you did not follow it exactly. The example, as I gave it worked. Howevever, if you subsequently call WebBrowser.Navigate() to go to a web page, then the web browser's built-in context menu kicks in. My guess is that you didn't try the example as I gave it, or you did, it worked, but then when you tried to incorporate the concept into your application (where Navigate() is called) it stopped working there. That is just my guess though since you haven't really given much information. In any case, I modified the example by adding the line:

                    Browser.IsWebBrowserContextMenuEnabled = False

                    ... which will disable the default context menu so that it won't override after you have navigated to a page.

                    L Offline
                    L Offline
                    Lost User
                    wrote on last edited by
                    #10

                    The only thing is that I am not starting off with a pre setup tab page, it loads the page when the program starts, basically it doesn't have TabPage1 in it, now how can I get the context menu issue to work? EDIT: Okay, well I thought about it a bit, and I was able to figure it out, using your example and adding a twist which actually happened to work. So I don't need that first TabPage1 anymore, thanks for the help, so now 50% credit to you and 50% credit to me for getting it without TabPage1 lolz. Now all that I need is that Open link in new tab or window part to work, also that I need to figure out how to program Zoom in and Zoom out, and reset functions, and how to program a Find function, then it will be complete.

                    modified on Saturday, September 4, 2010 1:44 PM

                    T 1 Reply Last reply
                    0
                    • L Lost User

                      The only thing is that I am not starting off with a pre setup tab page, it loads the page when the program starts, basically it doesn't have TabPage1 in it, now how can I get the context menu issue to work? EDIT: Okay, well I thought about it a bit, and I was able to figure it out, using your example and adding a twist which actually happened to work. So I don't need that first TabPage1 anymore, thanks for the help, so now 50% credit to you and 50% credit to me for getting it without TabPage1 lolz. Now all that I need is that Open link in new tab or window part to work, also that I need to figure out how to program Zoom in and Zoom out, and reset functions, and how to program a Find function, then it will be complete.

                      modified on Saturday, September 4, 2010 1:44 PM

                      T Offline
                      T Offline
                      Tom Foswick
                      wrote on last edited by
                      #11

                      It doesn't matter. I was just giving you that simplified example to show you that the approach works. The key is to do the following:

                      Browser.IsWebBrowserContextMenuEnabled = False
                      Browser.ContextMenuStrip = ContextMenuStrip1 ' or whatever your ContextMenuStrip is called

                      Nothing could be simpler. Have you even tried this?

                      L 1 Reply Last reply
                      0
                      • T Tom Foswick

                        It doesn't matter. I was just giving you that simplified example to show you that the approach works. The key is to do the following:

                        Browser.IsWebBrowserContextMenuEnabled = False
                        Browser.ContextMenuStrip = ContextMenuStrip1 ' or whatever your ContextMenuStrip is called

                        Nothing could be simpler. Have you even tried this?

                        L Offline
                        L Offline
                        Lost User
                        wrote on last edited by
                        #12

                        yes I did, please check my modified post.

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