Hi, I know how to make my form minimize to System Tray when users press the MinimizeBox (using the NotifyIcon control). But how can I do that at application startup ? What I want to do is similar to instant messaging programs (MSN, AIM, ...) whereas the application starts at Windows startup and a...more >>

I've got a ListBox control with SelectionMode = MultiExtended. How do I unselect all items within the code? The top item is highlighted on screen load, and I don't want it highlighted. Your help is appreciated, Jake...more >>

I have code in Validating events of my textboxes w/c do usual validation and e.Cancel = True when applicable. My problem is with the Cancel button (w/c has CausesValidation = False). If I close the form inside the Cancel button code (i.e., Me.Close), the Validating events of the textboxes fire, pr...more >>

I have an unusal problem with getting the vertical scroll bars to work correctly when I add more items to a listview than can be displayed in client area. It fills all the available client area and then starts wrapping from the beginning again. The scroll bar does show but there is nothing to scroll...more >>

Hi to All, Is it possibile to use an XP-Style border for a picturebox? I am referring to the border that, under XP, listboxes and textboxes have (i.e. a single blue line, if you use the default theme). I have tried many ways, with no luck! Can you please help? Thanks. Marco ...more >>

Hi! I was curious if there was an equivalent of LockWindowUpdate() in managed code ? Please let me know. Many Thanks in Advance, --Mike ...more >>

in VB6, I'd have a MDI form (frmMain), with a midi CHild - - then, I'd have dialogs that I run to change certain items on the rtb (txtEdit) of the Active MDI child.... to do this, I'd say something like: frmMain.ActiveForm.txtEdit.Seltext = "whatever" in DotNet - - even though I have frmMai...more >>

Hi, We are handling some keys in the form to perform some form based actions. for example Ctlr+s will save the data on the form which is equivalent to pressing the save button. But when the focus is on a combobox, then we are not able to capture the keys (i.e form's keypdown/up events are not be...more >>

Hello I created a form that is Mdi container another for child and a dialog form which is suppose to open that child inside the container. so i have : 1- main form (Mdi Container) 2- child form (Mdi child) 3- Dialg form (something like a menu to open the childes inside main form) lets say d...more >>

Hi All, I have implemented my own toolbar on a form which houses the crystal reprot viewer. I would like to have a combobox to allow the user to change the zoom level to say 25 / 50 / 75 / 100 / 200% However the crystal report viewer only seems to allow two levels of zoom, using the .Zoom ...more >>

I have a class lib, that creates and shows a form. When the main app is minimized the form from the class lib isn't. Also when pressing Alt+Tab the class lib form shows in the window selection. How do I make it minimize when the application is minimized and not show in the alt+tab window? T...more >>

I would like to create an application that has a TreeView docked on the Left side of the form and based on what the user clicks in the Treeview have another form use the remaining portion of the screen to display itself. Currently I am setting the Parent property of the form to the MDI Parent and...more >>

Hi to all, I am having a problem while trying to assign an event to a generated textbox control. This textbox is generated dynamically, its a variable which name is "txtCamp", for this variable I generate a certain number of instances in the layout screen in some differents positions, t...more >>

Never mind what they tell you. Just installed 2.0 beta and no more 1.1. Tried to run simple ASP app and doesn't work anymore. Ran aspnet_regiss -i but to no avail. So anyone who tells you they run side by side needs to be put in the stocks with the spammers. No I can only hope that a syste...more >>

Hello. I'm currently writting a few dialogs, and stopped on canceling user choice. Lets say, that i have ComboBox (working as a DropDownList). How to cancel user selection, when his choice is invalid? I'll try to use Validating event, and set Cancel property of CancelEventArgs event argum...more >>

Hi, I've been looking for a good article or sample code to dynamically create winforms, I have to make a program that allows the user to add different products each product has different properties and values the only thing they in common is that they have a price and a name. Is it possib...more >>

Hi! Can someone tell me can I use MsBuild with NuNit today? Or is MsBuild only available for MSDN subscriptions ? Or what do you for an automatic build process + automatic NuNit testing. I looking for a 2 in 1 solution (build + NuNit) gicio ...more >>

while i keep the scroll bar with mouse, and move it up or down, panel does not scroll meanwhile. is there property of panel for this? ...more >>

Hello, Is it possible to open a modeless from from a modal dialog? TIA ...more >>

Hi I'm new to microsoft newsgroups. I see many post with the sender MVP what does MVP mean? ...more >>

greetings i'm creating a setup project for my application. so far so good. VS.NET creates the MSI for my application. but what I want is to also distribute the dotnetfx.exe package to install automatically the .NET Framework on destination machine, if this machine does not have .NET Frame...more >>

I have this PROBLEM with controls collection: The old VB 6.0 syntax was: MyStr = me.controls("button1").text VB .NET doesn't function in this way, because in .NET I must know the index of the control! I need to use the STRING NAME of the control to address the object, because my target i...more >>

I am looking for a control or Library that I can use develop a control, that will help me Record, Playback Audio .. just basic.. nothing fancy or completed.. Thanks Vijay ...more >>

Hi Instead of closing the form when the close button [X] is clicked, I want the form to minimise. Does anyone know how to do this (using C#)? Thanks for any help John ...more >>

I was wondering if it was possible in a windows app form to select a file from my local desktop and post it to a web server using a web service or the like. Any clues, or am I better off creating a web form for them to upload the file? Thanks! ...more >>

I have a collectiond derived from NameObjectCollectionBase. FxCop is complaining that I need to implement a strongly typed CopyTo(MyObjectType, int) How do I do this? I can't seem to find any implementations of CopyTo() that don't rely on Array.Copy or some other internal .NET method. Unfortun...more >>

Hi, I am trying to query a WiFi card to get signal strength. I am looking at WMI as a solution however I cannot access the MSNdis_80211_ReceivedSignalStrength namespace on windows 2000 professional (SP3) machine. I have downloaded the WMI tools and cannot see this namespace in the studion (unde...more >>

Hi, I'm using a DataViewManager to sort the children of parent-child nested tables in a DataSet. The DataViewManager and DataGrid work very well doing every thing that is needed, except... The DataGrid needs to: AllowDelete = false; AllowNew = false; AllowEdit = false; On the bas...more >>

I'm new to windos programming using vb.net. I would like to send a simple email message from my app for registration purposes. How can I do this without knowing what mail program the user has on their machine? Any pointers would be appreciated....more >>

Hi, I am using Whidbey Beta 2 (May) and I cannot drag any Windows.Forms controls onto the designer it tells me that "Make sure the assembly that contains the toolbox item is correctly installed..." If I open a existing project with controls it compiles and runs. The problem is only with t...more >>

I have a winforms app that has a number of listboxes and a datagrid that work just fine 99.99% of the time. However, when it is run on Windows 98, the listboxes display as if they each "collapsed" vertically (the width is fine but it displays as just a "line") .... the first item in the collec...more >>

Hi, I have been working with asp.net and have decieded to make the transition to winforms. At present the difference in databinding between the two enviroments is throwing me. I am trying to databind a dataset to a listbox control. I have the following code. The dataset is not a strongly t...more >>

Hi I just stumbled into a strange problem that I don't understand. My launcher application starts an executable after the load event. Actually I have the Load event handler set a timer for 200ms and the timer's Tick handler will do some work and then eventually start the application using ...more >>

I have a main thread which creates all my forms. All my forms are hidden initially. After that, I have some worker threads which will call BeginInvoke to update and show the necessary forms. However, it throws an exception saying that a handle is needed to be created in order to use Invoke or B...more >>

What is wrong here? sometimes, it catches clicks but usually do not. private void dataGrid1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { Point pt = new Point(e.X,e.X); DataGrid.HitTestInfo hti = dataGrid1.HitTest(pt); if(hti.Type == DataGrid.HitTestType.Ce...more >>

Hi, I am trying to format the information entered into a textbox on one of my forms.. i would like to make the information look like this.. (XX) XXXX XXXX - so if the typed in 0755123456 it would look like this (07) 5512 3456 I am not very familiar with the masking concept ( i think this ...more >>

Just started with the Windows Fomrm programming and I am running into somethings that I feel should be done in a better way than I am now doing them. TreeNodes: Is there an easy way to get the level of the node? I set up a hierarchy which is strict - something on the first level will be a gen...more >>

Recently, we upgraded a .NET Windows client application to use the 1.1 Framework, along with some other changes. If we minimize the application, and let it sit idle, after an hour, the CPU utilization jumps from 0% to 100%, and continues to consume 100% indefinitely. Using the Windows task manag...more >>

Hi, two questions: 1) How can i have a multiline Label? 2) In VB.Net command buttons were replaced by buttons ? (trying to follow an intro tutorial "transformed" from VB TIA ...more >>

We are moving some of our existing mainframe CICS screens to WinForms. The user is used to being able to print these screens in order to capture information and is asking for a similar capability with the WinForm application. Is there some way to send a WinForm to the printer? ...more >>

I wish to display a dialog form after the main form has started and display. Where is the logical place to put my display dialog code to show the my "Login" dialog after the main form has been display. Thanks....more >>

Why is it that the Form class does not implement the IContainer interface? It inherits from ContainerControl but components are attached to the 'components' field via the generated private System.ComponentModel.Container components = null; statement. Said differently, when should I implement...more >>

In Windows Forms, I need to spin off a form (say a debugInfoWindow) which will not close even if the main form / application closes. This was achieved in VB6 by placing that form in an inproc server Exe and opening it with a load library / createobject. ( this also allowed data transfer between...more >>

hi i want to access a variables from form1 to form2 how should i declare on form1 and how can i get those values on form2...more >>

How to determine if user has ended resizing form? I need to invoke time-consuming operation after the form's size has changed. SizeChanded event seems to be triggered more than once during resizing. MCzajk ...more >>

Create two mdi child forms to a MDI form use the activated event to modify the text of both children (i.e. change title) start the application guess what the activated event of either form will execute if that form is activated first but the other forms a ctivated event will never fire Stopp...more >>

How to catch row selection in datagrid? TIA ...more >>

Hi, I use DataGrid.DataSource = dataview that it table is parent table In dataset with relationships. dataview.AllowNew = false hides last * row in datagrid parent. But for child grids the last new row is visible. The childDataTable.DefaultDataView.AllowNew = false don't help. How can it be so...more >>

Hi, How can I catch the event of the form being minimized by the user ? Thanks in advance. Kinh Luan...more >>

why does not openFileDialog have closed event? i want to do something; as soon as the dialog closes. is there a way to do this? ...more >>