WebBrowser.CheckIfCreatedInIE()

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- Previous
  - 1
    - WinForms and AppDomains I have an application where I'd like to be able to run multiple instances of a Windows forms application. Due to a heavy hit in our application startup code it would be beneficial to be able to have a single process with multiple instances of the form. Additionally, it would be useful to be able to partition off each instance in it's own application domain. The current plan is for a module to handle starting a new thread which will fire up a new app domain and then load the form. This module will also handle firing up any new instances by creating a new thread and application domain. My concern is any issues surrounding the UI thread. I'm aware that only the thread that calls Application.Run should access any of the UI components. Typically you would only have one per process. In my situation I'll end up with multiple UI threads. However, each application domain will only have a single UI thread and only this thread will access any UI components. Is the application domain enough of a boundary for the UI threads or am I setting myself up for threading issues? Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89082
  - 2
    - Context Menu for ActiveX control in VB.NET I'm using ActiveX control in my VB.NET project. It pops up but execution doesn't stop on Click event handler if I set a break point there. From http://www.developmentnow.com/g/29_2004_7_22_0_0/dotnet-framework-windowsforms.htm Posted via DevelopmentNow.com Groups http://www.developmentnow.com Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89072
  - 3
    - Change value in bound ctrl when value of another bound ctrl change I have been developing WinForms apps in .NET for several years and have never discovered a good solution to this newbish problem. I frequently encounter a situation where I want to change the value of a control when the user changes the value of some other control and both controls are bound to the same row in a DataTable. For example, say I have a combobox of statuses and a textbox for comments but comments are not applicable for certain statuses. When the user selects one of these statuses I want to set the text of the textbox to an empty string. So I add a handler to the combobox's SelectedValueChanged event and set the TextBox's Text property to an empty string. Doing this seems to cause unpredictable behavior. Sometimes I get an empty textbox but the combobox is changed back to its original value and other times the textbox is not cleared. I assume one change gets pushed to the dataset and triggers a refresh of the controls from the dataset but I'm not really sure. I have worked around this by clearing the textbox when the combobox loses focus but users are never happy with this solution. Having encountered this problem again I thought I would see if anyone can tell me the "right" way to do this. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89071
  - 4
    - PropertyGrid steals focus Hi, I have a MDI child Form that contains a couple of custom controls (both Panel based viewers), a DataGrid, and a PropertyGrid. Try as I might to have the DataGrid receive focus when the MDI child Form is displayed, the PropertyGrid always grabs it. I have registered an event handler for the MDI child Form's Load event and VisibleChanged event and in both have tried to have the DataGrid request focus and set the CurrentCell to (0,0). This has not worked. Any ideas? Thanks. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89068
  - 5
    - datagrid event I have a parent and child datatable which i am viewing in a datagrid. does anyone know the event that is fired when the user expands the node to look at the child table? thanks. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89061
  - 6
    - GUI design guideline Hi! I'd like to know if Microsoft has published a guideline for GUI design for .NET applications (something about choosing the right flatstyle, fonts...). Thank you! Simone. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89059
  - 7
    - How to initialize hidden columns for newly added rows ? I want to allow the user to add new rows. Not all columns from the bound data tabled are mapped (i.e. there are hidden columns). But some of those columns do not allow null. When I add a new row I get an exception: A first chance exception of type 'System.Data.NoNullAllowedException' occurred in system.data.dll Additional information: Column 'REP_ID' does not allow nulls. Question is, How can I provide a proper row initialization when the grid creates a new row? That is, how can I detect the newly added row, and perform some initialization on the row's column values? Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89058
  - 8
    - Sending e-mail through windows forms Hello all - I am very familiar with sending mail through asp.net (using the System.Web.Mail class), but I do not have experience sending e-mail through windows forms. I would assume the syntax is probably the same, but perhaps the class or method of calling it could be different? Can this be done in windows or do i need a web service(please, no)? Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89057
  - 9
    - writing functions in dll (newbie) I have a task to write winform application while writing the functions that return information, in a dll - for example opening a file. can someone please give me an example for function that opens a file (openFileDialog) that will be written in a dll file? Thanks a lot Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89056
  - 10
    - how to make a fullscreen window? I mean like VS.NET fullscreen windows? I was thinking: simply remove the border, set maximized and topmost. however I will have problem with dialog then (which would be behind my window, don't they?) (uh?!) any other idea? Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89051
  - 11
    - Multiple Screen environment... Hello, My appliccation saves form size and positions whenever they are closed so they can be shown at the same size and position when opened next time. My problem in here is that when it is used in Multiple screen enviornment, I can't understand whether the window is in which screen and I also don't know how to set the position of a window other than the primary screen? Can anybody help me? Regards, Özden Irmak Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89048
  - 12
    - Inherited Forms Hi all, Anyone can tell me if the derived forms need to call the constructor of the ancestor Form ? Also it's needed to call InitializeComponent() from Ancestor form or not ? Sample: public Class AncestorForm: System.Windows.Forms.Form { Public AncestorForm() //:base() needed or not ? { InitializeComponent(); } } public Class DerivedForm: AncestorForm { Public DerivedForm(): base() //:base() needed of not ? { InitializeComponent(); } } Tanks for your help Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89044
  - 13
    - Load a form Hello, I have created an application in vb.net. I want to show a chaild form on main mdi form. Since form contains many controls it is taking too long to get displayed completely and it also flickers. I have tried SuspendLayout and Resume Layout methods, but was not helpful. Can I load this form in memory and then show it(using form.show method) so that it will be displayed in lesser time? Will it help me? How can I load the form in memory without displaying it? Pls. reply soon. Thanks in advance. --RbanBph Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89039
  - 14
    - Printing from RichTextBox in .NET 2003 Hello. Is there any way to print text from a RichTextBox in C++ Windows Forms. I know that they got rid of this function but does anyone know about any classes that can be added to your project in order to print text from the richTextBox. I have tried using the built in windows forms print dialog and print function but it does not see text. Any help would be great. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89036
  - 15
    - Datagrid - Windows - DataGridBoolColumn - How can I disable all the check boxes in the column I tried boolCol.ReadOnly = true and a bunch of other things but can't get the check boxes for the datagrid's column for all rows to be disabled? Can someone tell me how to do this? MyGrid.ReadOnly = true; MyGrid.Click += new EventHandler(MyGrid_Click); MyGrid.CaptionVisible = false; tableStyle = new DataGridTableStyle(); tableStyle.MappingName = "MyItemsData"; tableStyle.AllowSorting = false; tableStyle.RowHeadersVisible = false; //MyCheckBox Check boolCol = new DataGridBoolColumn(); boolCol.MappingName = "MyCheckBox"; boolCol.HeaderText = "MyCheckBox"; boolCol.AllowNull = true; boolCol.NullValue = string.Empty; boolCol.FalseValue = false; boolCol.TrueValue = true; boolCol.Width = boolColWidth; tableStyle.GridColumnStyles.Add(boolCol); boolCol = null; Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89035
  - 16
    - 3 windows, bring all to front Hi All, This should be pretty easy, and I'm sure there's a simple way to do it, but it's eluding me. The application has three windows open at all times. Needed functionality: a click on any of the three windows should bring the other two to the front as well so that they would all be above any other program windows. I've been messing with BringToFront and the Activated event but everything I do seems to lead into infinite loops. Hopefully one of you knows the 'right' way to handle this common problem. Thanks for any help! - Tom Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89030
  - 17
    - How to impliment a wizard style SDI..... In VC++ using MFC I created a SDI app and in the CFormView I created a CPropertySheet added the CPropertyPage's to create a Wizard style SDI. How can I do something like this in WindowsForms? Thanks for you help?... Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89028
  - 18
    - Win2k3 SP1 affects IEExec ?? Has anyone encountered issues running NTD apps on 2003 SP1? I have an application that runs fine when run from IE on 2003 SP0. It also runs fine when run from the file system (i.e., double-click the exe) on 2003 SP1. For some reason, when we run the same app from IE on 2003 SP1 machines, we're getting System.TypeInitialization exceptions in IEExec.exe . When examined closer by building the app with debug symbols on the server, it appears that (at least in this case) the TypeInitializationException is being caused by an exception as a Web Proxy Class (for a web service) is being initialized. The Message is "The type initializer for "System.Xml.Serialization.Compiler" threw an exception. The stack trace begins: at System.Xml.Serialization.TempAssembly.GenerateAssembly(XmlMapping[] xmlMappings, Type[] types, String defaultNamespace, Evidence evidence, CompilerParameters parameters, Assembly assembly, Hashtable assemblies) at System.Xml.Serialization.TempAssembly..ctor(XmlMapping[] xmlMappings, Type[] types, String defaultNamespace, String location, Evidence evidence) at System.Xml.Serialization.XmlSerializer.FromMappings(XmlMapping[] mappings, Type type) at System.Web.Services.Protocols.SoapClientType..ctor(Type type) at System.Web.Services.Protocols.SoapHttpClientProtocol..ctor() Has anyone seen behavior like this? Please post if further info would be helpful. Thanks in advance. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89027
  - 19
    - No Touch Deployment using HTTPS? Hi, I am trying to use NTD with HTTPS and get this error: "An execption 'System.Security.SecurityException' has occurred in IEExec.exe". I must access this exe through a https site. Is there a way to make this work? Also - I put the Application.exe in the Virtual Directory to use NTD. Do I also put the Application.exe.config in that directory as well? I haven't been able to find many detailed examples on how to use NTD. thanks in advance! Bill Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89025
  - 20
    - why aren't changes in datasets recognized for bound controls? Hi, I've got a simple VB/Access app that binds text controls to various fields in a database table. Everything works fine, EXCEPT that when I call the Update method on the data adapter, nothing updates, because it thinks nothing has changed! If I make changes to the fields thru the bound edit boxes, and then check the "HasChanges" method on the dataset, it runs FALSE - even though the changes ARE reflected in the dataset's data! How do I fix this??? The Update calls do nothing even if I edit all the fields because the dataset won't recognized that anything has changed. The updates and everything work fine if I manually set new values into the fields; the update works and HasChanges returns true. ex.:dataset.tables(0).rows(0)("my field") = foo thanks! B Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89024
  - 21
    - Help needed I have to crete a windows form within a thread. Can some post a code or direct me to some link to accomlish this? I have background service which needs to pop up this form which will be always on top of third party word editor. I am using ShowWindow and SetWindowPos WIn APIs. This is working on XP machines but I am having trouble with Windows 2000 machines. I have to make it working on windows 2000 machines as well. Any help would be appreciated. Thanks, Dinoo Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89023
  - 22
    - How to track changes in a datagrid I'm developing a desktop app that displays several screens of of data in a two column fashion, the left column has the tiles and the right column has the input controls (textboxes, dropdowns, etc) for input. Typically the app is used to display preexisting data and the user would edit certain things. The data is saved on a network drive and can be edited by many users who have access to the drive (no concurrenct editing) so it needs to be able to track who changed what when. If a value is changed 10 times by 10 different user, it should be able to keep the history. I'm thinking maybe a DataGrid control is the best choice for displaying and accepting user input but not sure how it captures the change info. Could anyone point me in the right direction? Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89022
  - 23
    - variable height TreeNodes in TreeView Is it possible to create a TreeView with variable height TreeNodes? For example, I may want to have text in a given tree node have hard return characters that wrap that node's text to next line? There is the TreeView.ItemHeight property but that only allows setting a height for all TreeNodes in the TreeView's underlying tree model (which is limited to TreeNode types of trees). Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89019
  - 24
    - RegEx for Acceptions Numbers with Dot Hi using regEx class in c# can u tell me how to accept input string [0-9] and also accepting [dot][.] with 'n' times Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89016
  - 25
    - Cursor "stuck" In Databound Control/Caching? I am having a strange issue and cannot solve it. Basically, I have a form that edits information in a database. This form has many different controls that are bound to a business object. When I first load the form to edit the info everything works properly. The process of loading the object also loads the object into cache (Isolated storage using Enterprise Library 2.0 caching application block). If I load the form again and attempt to edit a field (say notes a textbox) my cursor gets "stuck" in the text box and I cannot click on any other control in the form. However I can close the form with the X in the upper right corner and the keys still function properly (Enter saves the object and Esc closes the form). I have looked the stack trace but it is giving me nothing. I have no idea where to begin. Has anyone seen something similar or have any ideas what it might be? Any ideas how I can go about getting some info to solve the problem? Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89013
- Next
  - 1
    - Form Display Hello, I have designed a form in vb.net. I have placed a tab control with 3 tab pages on the form. This tab control holds many controls in each tab page. This form is MDIChild form. I have not written much code on the form. Whenever I run the project, form is dipslayed as textboxes first then Data grid followed by another tab on the form and so on. Form does not display all the controls at once as complete form. What I should do in order to avoid this? Early response is awaited.. -RbanBph Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89010
  - 2
    - key events doesn't work Hi. I got some problem with the key events, they doesn't rise. first I made a new win project in C#, and I set this.KeyPreview = true; also this.KeyUp += new System.Windows.Forms.KeyEventHandler(this.fClient_KeyUp); and then I test run the app, and the keyup event did evoke. then I added a brower control into the form private AxSHDocVw.AxWebBrowser mviewer; and test run the app again, but this time the keyup didn't evoke, I assume the the browser control took the key events, how do I let the parent form evoke the key events again? and the browser control seems don't have any key event handler, am i right? any help would be greatful. regards Steve p Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89008
  - 3
    - Command button shortcut key Hi! i have a form in VB.Net with two command buttons CmdDelete and CmdAdd i need to add shortcut keys for example F8 for CmdDelete and F4 for CmdAdd but i don't have any code. could someone plz show me a sample code... Best wishes Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89005
  - 4
    - Enter key in Text box I have a problem while using Enter key in text box. when user presses enter in the text box information of customer is loaded. and I have a clear button that clears all the controls on the form. first it works properly. then I click on some other button (say detail button) that opens some other form. after closing that form if clear the form using clear button and again enter Id in text box and press enter. it does not work instead click event of Detail button is fired. Again I clear the form and press enter in the text box then it works and shows the data in controls. It happens several times. I am able to trace that. Control does not enter in event handler of key press event when this problem happen. no error is coming in any of the processes and no default button is set. Any solutions to this problem? -- Regards, Lalit Bhatia Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89003
  - 5
    - Custom Designer Hi, I'm writing a control called a validating submit button. Basically, you can tell it to validate a number of controls when the user hits this button. When they hit the button, it'll say, "You must enter yada yada..." and highlight the bad field. Ok, now that I've got that out of the way, I think this problem should be relatively easy. Basically, I created a special designer that was a form that had two lists, one of available controls, and one of controls it will validate, in order. It would then add these items an arraylist of the inherited button class. This seems to work fine! I can run my custom verb, have it open up and show all the items that are currently selected to be validated and all of that jazz, but it doesn't change the actual .vb file in the InitializeComponent sub of the test form. So basically, it can change all these values on the design-time copy of the actual control, but I can't figure out how to add code to the initialize component of the form that'll be using this control. I figure that this question ought to be rather easy, as being able to create a custom designer without being able to "save your changes," so to speak, is pretty useless, and probably a commonly asked question. Thanks for your time! Bryce Covert. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 89002
  - 6
    - Windows XP doesn't restore its desktop background after closing a smart client app Hi, I have developed a smart client app and deployed it. In some of the client machines, they have set a desktop background image. When the user works with the smart client app and close after opening few windows forms, the windows xp desktop image have some rectangular borders all over it which were the size of the opened windows forms in the smart client. Can anyone tell me how to refresh the desktop background image in xp? Thank you. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88999
  - 7
    - Sometimes clicking on a TreeView node doesn't select it Hi; I have this case where when I click on a line in my TreeView, it selects it for a second, and then moves the selection back to the previous selection. Usually I have to click 3 times to get it to stick - then it's fine from then on. The tree is not set to accept drag/drop. HideSelection=false, otherwaise all is standard. This is the only event I have for the control - and it is the only control in the form: private void Tree_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { TreeNode node = treeDB.GetNodeAt(e.X, e.Y); if (node == null) return; RootNode root = node.Tag as RootNode; if (root == null) return; DoDragDrop(new DragDropData(app, root), DragDropEffects.Copy); } Any ideas? -- thanks - dave Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88998
  - 8
    - How to get user information from the local system user accounts. I am hoping to be able to (easily) write a program that will go into the local computer (as long as you are logged in as the administrator) and get information about the existing user accounts. I want to do this for LOCAL accounts on computers that are NOT members of a windows 2000 domain. Can someone point me to the correct document/example that shows how this could be done. I have found many many many examples for Windows 2000 domains, but none for local system accounts. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88996
  - 9
    - Smart Client - Update from MSI Code? What code do I have to add to my application to get it to check for updates, then re-install itself via an MSI file? Any simple examples out there? Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88995
  - 10
    - Want form on top of, but no in, non-.NET window Hi; I used the Win32:SetParent to set the parent of a Form to the Window of the app it is in (Word). This forced the form to stay within the main window of Word. How can I set a Form so it is always above the Word window - but not restricted to being within it? -- thanks - dave Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88994
  - 11
    - Want Form.CLose to Hide() Hi; I have a modeless form (not modal). I want when the user clicks on the X that it hides instead of closes. I was going to handle this in the Closing event but I also need to be able to close the window at some time - so that won't work. So, any suggestions? Also, is there a call I can make on a Form to see if it has been closed? -- thanks - dave Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88993
  - 12
    - use project variables throughout solution currently i have a solution with 8 projects. In the Client project there is a form called ListSer i would like to use in my Rpts project. Client is the startup project, so can't reference to it. Is there a way to use the ListSer form in my Rpts project? Is there a way to create global variables for the Solution? would that work? Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88988
  - 13
    - Dropping Email i dont know if this is the right group but... i need to know how i can get an email message that is droped on my form, and manage it content, for example attachments and other stuff Thanks Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88987
  - 14
    - custom shaped form I want to create a small app that uses a jpg as the main form's "face" (i.e. windows media). I downloaded a sample app from codeproject and noticed that, in the main code, the developer actually went through and built up the region with a bunch of AddCurve() and AddLine() calls. Isn't there a way to accomplish the custom shape by using a transparent color in the bitmap? Also, what's the best or most common method of using an image for the form? Thanks, ~billy Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88985
  - 15
    - WinForms and COM Interop I've a .NET WinForms application. The forms needs to be showed from a VB6 application. I wrote a simple class "COMWrapper" registered for COM Interop that instances the appropriate form and show it. The problems appeara when I show a MessageBox from the form. When I press OK the parent form "disapper". The form has this behavior ONLY with the ShowInTaskBar = FALSE Any ideas? Thanks in advance Massimo Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88984
  - 16
    - GUI from code Back in February I asked if anyone knew of a code-based presentation layer / layout manager. There are two: MyXAML (http://www.myxaml.com) lets you instantiate components such as forms and controls through markup rather than code. It uses an XML markup language (though not Longhorn's MSAvalon). MyXAML is open source. CoderForm (http://www.fivetuple.com) takes a different approach by keeping the UI spec within code, but wrapping the UI classes (Forms, controls etc) to make it easy to define the interface from code). Take your pick. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88982
  - 17
    - Error when committing the row to the original data store What types of issues cause DataGrid to throw up this message box when changing a cell value to some new legal cell value, and navigating away from the row? Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88980
  - 18
    - special line feed character appear in notepad - windows form - c sharp hello members, i m using windows form c# using follwoing code StreamWriter sw = new StreamWriter(new FileStream(@"c:\anyTextFile.txt", FileMode.Append)); sw.WriteLine("this is test text \n now from here is next line"); sw.Flush(); sw.Close(); i m trying to write a simple text file, when i open that file in any text pad it shows data as follow //** this is test text now from here is next line **// but when i open that file in windows notepad it shows data as follow //** this is test text ? now from here is next line **// that is theres sum square box inplace of linefeed, i want if i open same file in notepad it shows same as of textpad, why it is not showing, how to overcum that . regards.. -- Message posted via DotNetMonster.com http://www.dotnetmonster.com/Uwe/Forums.aspx/winform/200506/1 Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88978
  - 19
    - ReadOnly Hi All, How do I make all my Controls on the C# windows Form readonly.? -SARADHI Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88972
  - 20
    - opening form only one time Which is the best way to prevent opening a form which is already open? my program has an mdiparent form and when the user opens frmcustomers, can edit records. now if the user again opens this form a new instance will be created and the same form opens again. what i can do to prevent this? I'm using VB .Net and winxp ------------------ Dim myfrm as new frmcustomers myfrm.show -------------------- regards Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88969
  - 21
    - Crystal drill down export Now suppose you have 30 stores located in 4 regions North, South, East, West and you have a sales report developed in crystal that groups by the region. You would really like to be able to create 4 export files one for each region. what would you do. i don't have a problem exporting the report but how do i create a separate file for each item in the group? -- Message posted via http://www.dotnetmonster.com Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88967
  - 22
    - Creating a Simple Updater Hi I have in each of my clients Application directory (30) several files and subfolder sometimes I need to update just a specific .mdb or .txt or .exe or only the app.config . I have tried to do something using the UpdatedApplicationBlock but because of my Directory structure and the variety of files, it seem too much complicated to me, and I want the update process be done for the person in front of the PC. I have my FTP server. I want to write a little program to do this: When somebody press the ButtonA: a) Go to my FTP Site b) Download the File named myNewFile1.xxx c) Move c:\MyApp\Dir1\myOldFile.xxx to a backup folder d) Move myNewFile1.xxx to Directory c:\MyApp\Dir1 I think this is not hard to do, but I need some orientation Thks Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88966
  - 23
    - Application disappears from Alt-tab task list when displaying CollectionForm When a CollectionEditor displays a CollectionForm (by clicking on a Collection in a PropertyGrid) the application icon is no longer shown in the task list displayed using the Alt-tab key. Any suggestions how to fix this? Do I need to modify style of CollectionForm to do this? How can I do this? Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88963
  - 24
    - DragEventArgs and GetDataPresent with abstract base class Hello: I am trying to build a drag-and-drop operation with a control derived from my abstract base class. The control is either a PictureControl or a PictureGroupControl, both of which have PictureComponentControl as their superclass. When handling a DragOver event, I'd like to treat the dragged object as a PictureComponentControl without having to explicity test for whether the object is a PictureControl OR a PictureGroupControl, but GetData/GetFormats/GetDataPresent seem to only work with the subclass, not with the superclass. I've even tried explicitly casting the object when I begin the DoDragDrop() operation, but even then it doesn't seem to stick. Any advice for me? I know I could test for both subclasses explicitly, but that seems like bad OO -- then, in the future when I invent a SuperPictureControl, I'll have trouble. Is there a better way to do this, perhaps using Reflection or an Interface? Thank you, /m Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88958
  - 25
    - Validation of data in win forms 2.0, Insert I am developing an application that requires the user to add and or change data. The application will be coded in winforms using .net 2.0. I am struggling a bit to understand how to implement validation of the data. A simple example is a table the has Description and Remarkscolumn. The Description is a required field. It must be non blank. I have implemented a dataset for this table and have implemented validation in the OnColumnChanging event in the datasets partial class. I have wired this into an errorprovider component on the winform. THis works as I expected on an update. The validation logic successfully finds the blank column and stops the user from entering a blank value. An insert does not work as I expected. The OnColumnChanging event does not seem to get fired on an insert. Any help would be appreciated. Tag: WebBrowser.CheckIfCreatedInIE() Tag: 88955

Hi Group.

I'm developing a UserControl which is hosted inside Internet Explorer as
an ActiveX control. Inside this control I need HTML rendering
funtionality, which the new 2.0 WebBrowser control provides. The problem
however, is that the WebBrowser control checks if it's inside another IE
in the private WebBrowser.CheckIfCreatedInIE() method :(

Is there a workaround, or some other way to get html rendering inside my
ActiveX hosted UserControl??

Regards,
Jim.

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