Hello, One of the WindowsForms controls that I developed uses a richtextbox as an editor in one of it's properties. As it does syntaxhighlighting, I get a lot of flicker at this operation. Using LockWindowUpdate API helps a lot but at the same time causes the desktop to flicker like a hell....more >>

I have a MDI Child form with various controls and a panel. On the panel at runtime I am adding a form to the panel. Everything works except when the outer form is resized, the panel gets resized but the form on the panel doesn't. It just stays in the same place that it starts out on. Belo...more >>

The Windows Forms designer from VS 2005 behaves strangely on my computer quite often. The only reliable and temporary fix that I know is to restart the computer. I don't experience similar problems with other applications. It chaotically draws text(and other stuff as well) on the screen(out of i...more >>

I have a user control in which contains a Label, a Toolbar and a TabControl. When the User control is resized I like to resize the controls inside the User control. How do I do that? -- pesso Robotics http://www.robotics.com/robots.html C++ to HTML Converter http://www.codesolutions...more >>

So I've taken a perusal through google groups looking for possible causes of this error. I've seen answers varying from: - creating too many Form objects - creating too many MenuItems in your Forms - a combination of the above two - something to do with setting the style on a control So, ...more >>

Hey all, I'm getting a weird bug, where I will add sub menu items to a menu item in my context menu and sometimes the sub menu items appear and sometimes they don't. I can see from my logging that the code is successfully using the MenuItems.Add to add the sub menu - is there anything that mig...more >>

Now that I have learnt about RSS feeds... is that a good way to exchange data in a B2B situation? or Rss Feed is for only news feeds... Can someone... is RSS every used in WinForms situations or only ASP situations... What our clients mainly do is use webmethod, get the data and display it ...more >>

Hello Everyone, I have a requirement of writing a WinForm application that should support "SKINS" for the UI. On applying a skin, the look and feel of the application can change drastically. Even the size and shape of the Main window and its child controls can change. I have NO idea abou...more >>

Hello. I have write a class file with some methods I wish to expose. For example I have a windows form which should call a method from another class file. I think this has something to do with inheritance, no? Maybe the windows form will need to inherit from class file? I use C# 05. Than...more >>

Hi- I'm working on an application that has a datagridview bound to a datatable, backed by an Access database, through a bindingsource. I have buttons to add and remove rows, and handlers for those buttons. My question is, what is the proper/commonly accepted way to (for example) remove the...more >>

Hi, I have problem in updating the config file. We are using the ClickOnce technology to deploy the C# windows forms applications. After deploying to the server, if we want to change the keys in the app.exe.config.deploy file, it is not giving the erorr at the time of modifying the file....more >>

Hi, I keep getting warnings for cloning string arrays and arrays of objects. Should this feature just be disabled? or is ther a correct way of copying structure. ...more >>

how do I create a XmlDocument object or a XmlDocumentFragment object or a XmlNode objekt from a string? I get a string like that: <Node> <ChildNode>Value</ChildNode> </Node> in a variable of type string. now I want to parse this string with xml objects in order to get less work. is it...more >>

Hi, when using this code: Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Dim MyDialog As New ColorDialog() MyDialog.AllowFullOpen = False MyDialog.ShowHelp = True MyDialog.Color = TextBox1.ForeColor If (MyDialog.ShowDialog()...more >>

Hi, my program uses the Print command like Print(a, "Language=" & language) to print a textline in my text file. In the text file I need a format like Language="my language" How do I get the additional quotation marks? Regards Thomas...more >>

I am having a heck of a time trying to figure out how to get a setting in a referenced assembly/dll from the exe's app.config file. In other words, I have an assembly called AcmeApp.exe which contains an app.config file. This exe references a dll AcmeHelper.dll which I am trying to read a ...more >>

I have a WinForms application that has to get physical path for a virtual directory. Which class should I use to achieve this ? I know the name of the virtual directory for which I need to get the physical location. Thanks, Meena ...more >>

Hi, Is this best way to disable defualt context menu for win form? Me.Textbox1.ContextMenu = New System.Windows.Forms.ContextMenu ...more >>

I am trying to set a buttons visibility on a C# Windows Application - form. If the user who is logged onto the computer - running the app (on the clients computer) is a member of a particluar active directory group, then I want the button visible, otherwise it should be invisible... I have...more >>

I want to add some custom methods to the DataGridView class, so I inherit from it. When I click on the .cs file in the solution explorer I get a designer. How can I get rid of it? I just want to edit code without right-clicking and selecting "View code". Is there any point for using the desig...more >>

Hello, I am developing a tool (in Windows Forms .NET 1.1) which uses a OpenFileDialog component to browse file in the local hard drive. I want to be able to show some folders in the OpenFileDialog with a different image. These folders are unique to the tool and has a defined folder ...more >>

Why does my field not save when I change the control from DropDown to DropDownList? I used the data from wizard. Thanks. ...more >>

There's a problem in my windows application that calls a remote web service's method, when it tries to connect to the webservice it displays this error: "The request failed with HTTP status 407: Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. Acces...more >>

It seems as though the default behavior for a tab control is for the parent form to get all of the messages for all of the pages in the tab control. Is there an easy way around this? I've got an application UI where the desired behavior is a large set of tabs with each tab containing its own s...more >>

In VB.Net I can add a Splash-Screen as a new Item to my Project and set in the Project Properties to use it as a Splash Screen. But I did neither find the Splash Screen Template nor the corresponding Project Property in C#. How can I set a Splashscreen in C#? I can't beleve, VB.Net is more pow...more >>

Bei meinem VB.Net (2003 Standard) Projekt habe ich mehrer Fenster mit fast dem selben Inhalt. Nun m=F6chte ich alle gemeinsamen Eigenschaften in einem, wenn m=F6glich abstrakten, "Vater-Form" erzeugen. Dabei m=F6chte ich auch GroupBox's verwenden, in welche die abgeleiteten Forms jedoch weitere ...more >>

Basically when auser clicks on a button on my form I want my user control to be loaded "ctlAddProject controlAddProject;Controls.Add(controlAddProject);" which is easy enough. Now there is a public method called doBind(string fName) on the control which I want to call from the parent form...more >>

I have a custom control with two treeviews. The idea is the if a user double clicks on a node in TreeView A a new node is added to TreeView B. But when the first node is added it does not show on in TreeView B, Nodes.Count is 1. Nothing helps, nor Refresh no DoEvents. When a next node is added b...more >>

I need to display two VB6 applications side by side within a single 'windows manager' My thought is that I could use a split screen form, using the 2.0 framework and visual studio 2005, that display the UI of each of the VB6 apps within some control or container on the windows form. The obv...more >>

Hi, when we place a label or textbox or other controls from the toolbox on the form at design time, the Text property of the control automatically contains the name of the class and an incrementing number after it (label1, textbox3, etc). I have a UserControl and I want to modify this stri...more >>

I'm creating an application that has should have a style like VS.NET. What I would like to know is what is the best way to handle menus, tool bars and context menus. How can this be done? The menus are dynamic so they have to be determined with each click. But how does it work? Let's take ...more >>

I am running VS.NET 2005. I have created a UserControl and added it to my toolbox. When I try to drag it onto a Form, Visual Studio closes immediately with no reported errors. I've added the UC to a new solution, I have the project in the solution, and am referencing the Project output in th...more >>

I am getting an error whild installing the Windows Service from Command Prompt or from Process.Start command in vb.net. C:\>installutil C:\Program Files\SomeDirectory\WindowsServices.exe /u Error Is Microsoft (R) .NET Framework Installation utility Version 2.0.50727.42 Copyright (c) Micro...more >>

Is it possible to deploy application via clickonce without signing manifest ? I have the problem since we are deploying an application from Linux and the process mage.exe is not running in Linux environnement. So we are not able (as far as i have understood clickonce techno) to make modification...more >>

Hi, Can anyone tell me if it is possible to have a column of combo boxes on a windows forms datagrid? I'm sure it is possible, but I have looked on the internet and can't find much information on how to do it? Thanks Richard ...more >>

Hello, I want to have a window skin with rounded corners and where the system's usual window frame is hidden, like in Windows Media Player. Can I do this with Windows.Forms? Is it just a matter of setting some property, like "myframe.visibility=false"? nu-b ...more >>

I know how to get a computer name in VB.net such as: ' Get Computername Dim host As IPHostEntry = Dns.GetHostByName(Environment.MachineName) lbHostName.Text = host.HostName.ToString However, I need to get a Terminal Server Client Name for a session running on a Terminal server. Does anyo...more >>

Hi, I have a class derived from richrext box that overrides IsInputKey. I would like to handle 'Enter' in my derived class, without forwarding it to the base (RichTextBox) - thus preventing from the base to print the '\n'. I tried to return false from IsInputKey but it didn't work. What am...more >>

Developing a windows application with VB.Net under VS 2005. I am wondering if anyone knows how I can prevent validation events from firing if the user clicks on the control box close button to exit a form. I do not want to set the CausesValidation property on all of the form controls to False ...more >>

Hi All I am new to Winforms. I have the following requirment based on Winforms: 1.User should select a Image 2. User should be allowed to crop the image. he can just select a part of what he wants of that image and the selected image should be stored. Is anyone aware of how this can be a...more >>

hi. i have a control derived from TextBox. how can i set this up such that all text is always selected (i.e. the insertion point is never shown). i was hoping for an OnEnteringEdit method or similar but no such luck. do i just need to capture mouse clicks or are there multiple methods of enter...more >>

Hi guys, when I used SetBounds to change a listBox's size, I found sth interesting. But I was wondering whan happened. For example, I wrote, this.listBox1.SetBounds( 10, 10, 100, 300); // x, y, width, height After that, I got the size of listBox1. Howev...more >>

Let's say you have a simple UserControl (2.0 framework) with the following two settings changed from their default: AutoScrollMinSize = 16384; AutoScroll = true; Once those are set, is there a way to also set the LargeChange and SmallChange properties of the horizontal/vertical sc...more >>

We have a winform application. We are using ClickOnce for deployment. Currently we can reference the web service through http://localhost/testws/bob.asmx When we deploy however we want this reference pointing towards a production server. Currently we have the URL Behavior set to Dynamic (w...more >>

I have a winform dialog that has several text boxes and a couple buttons. When I invoke this dialog via another winform app, it works fine. This particular winform app is "COM Visible" so that I can use it in a legacy Delphi app. Whenever I invoke the dialog via COM, everything functions e...more >>

Hi, Please if you can read and help me in this questions, as I am beginner in programming. I am using ADO connection to MS Access database (DAO is not an option) in VB.NET 2005 project and I have to setup deployment of program. 1. Do you reccomend installation of MDAC 2.8 on user computer?...more >>

Hi all, I've added a shared remoting interface to WinForm in IE control. Since adding the DLL, load times have double - it takes ~2 minutes to load. The DLL is 16K and only contains shared interfaces. I checked the Fusion binding log (as well as my own custom logging), initial load takes...more >>

Hi All, I've been designing/coding small segments of an application in various projects. Now after getting the design, settings and positioning of various controls in these 'partial' projects, I want to copy those controls to my 'real' project pages. For instance, I have a group box with ...more >>

I have three "strip chart" style graphs on a form. They are located at the top middle and bottom of the form and the cover the entire form. They are achored to the top, left and right. When the from is maximized I get an empty gap at the bottom and when the from is resized smaller then the de...more >>

Hi, I'm trying to drop a strongly-typed DataSet onto a form, attach a BindingSource to one of the tables as well as an ErrorProvider. The control contains a set of TextBoxes which I bind to columns within the columns within the same table I bind the BindingSource and ErrorProvider too. ...more >>