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all groups > dotnet windows forms > september 2004 > threads for friday september 24

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processing of windows messages during long operation?
Posted by Martin at 9/24/2004 7:58:52 PM
Hi, My code has a long operation to do, and I want to let other windows messages be processed whilst I do that operation. Casting my mind back 10 years, I can't remember the call to do this. Can some one tell me the answer? Thanks Martin ...more >>


SelectedIndexChanged event in comboA causes same event to fire in comboB
Posted by moondaddy at 9/24/2004 5:55:37 PM
I have a vb.net 1.1 winforms app and have several combo boxes on a form 2 combos have the same data and are populated from the same data table using the bind method. One is the ShipToAddress and the other is the BillToAddress. when the user selects an address in the shipto combo, after its Sel...more >>

capturing windows forms appearence?
Posted by alanchinese NO[at]SPAM yahoo.com at 9/24/2004 2:44:46 PM
the print screen button in the keyboard can save what shows in desktop into clipboard (the alt + prtsc does the same thing for the topmost window) i want to see if windows forms' control can save its appearence into a bmp file. i guess in OnPaint method we can do something?...more >>

Testing Internet connection?
Posted by sprungli at 9/24/2004 2:26:47 PM
In a Library or Win Forms application how can my code test whether the computer is connected to the Internet? (The computer could use a dial-up connection or it could be on a network.) TIA ...more >>

CollectionEditor
Posted by Maxim S. Lee at 9/24/2004 1:34:15 PM
Hello everybody. How can I call CollectionEditor from the code, not by click on visual buttons in PropertyGrid? I suppose I have to inherit UITypeEditor, set my custom CollectionEditor as default CollectionEditor for my Collection, override EditValue method and call EditValue? Can any...more >>

ComboBox Row Source = Result of DB Query?
Posted by divisortheory NO[at]SPAM gmail.com at 9/24/2004 12:22:41 PM
I have an access database and I want to populate a combo box with the contents of a Table in my access database. What is the best way to do it? I was trying to do it at design time, but not sure if it can be done....more >>

Pass DataSet to Modal Form
Posted by JD at 9/24/2004 12:13:59 PM
I have built a main form that creates and fills a dataset. I want to open a modal form and pass it one of the tables in the dataset but I don't know how to code it in VB. Does anyone have an example or point me in the right direction to find some code? thanks ...more >>

how to run Excel menu options when shown inside a webBrowser control ?????
Posted by Antonio Lopez Arredondo at 9/24/2004 11:48:13 AM
hi all !!! I have a WinForms app that has a Internet Explorer component where I show information by using the "navigate" method. when I show an XLS file the Excel is embedded and the spreadsheet is correctly shown; the Excel menues are not displayed (that's fine). what I would like to do ...more >>



Newbie: Dataset - ComboBox synchronization
Posted by steve at 9/24/2004 11:41:12 AM
Hello, I have two questions involving Datasets and populating ComboBoxes and other controls with them. 1) Two cmbboxes are populated by two different fields of the same table and, of course, synchronized. However the second field is not required in the DB and missing contents sometimes. Ex...more >>

Desktop client and web services - Object reference not set to an instance of an object
Posted by Ruslan at 9/24/2004 10:55:54 AM
Hello, I have a desktop client application which calls web services. The application works perfectly. But if I leave application intact about 30 minutes, and after a call a web method an exception is thrown which said: "Object reference not set to an instance of an object". Does...more >>

Terminal Service: conocer la IP del cliente remoto?
Posted by Liber at 9/24/2004 10:52:24 AM
Utilizando .Net, como puedo obtener la dirección ip o el nombre del cliente remoto que está conectado por Terminal Service a un Servidor de Terminal ? En el Terminal Servide Manager me muestra el nombre del cliente remoto, o sea del equipo remoto, pero no se como obtenerlo utilizando C# .Net. ...more >>

How to: Programactically set the computers clock to the official time?
Posted by Steven Van Dyke at 9/24/2004 9:49:41 AM
My computer seems to loose seconds from day to day so I would like to have my app download the official time and set my computer's clock. What's the best way to do this? Is there an official time website that offers a library for getting the time? Any thoughts? Steve ...more >>

Source for multi-track editor?
Posted by murphy NO[at]SPAM murphysw.com at 9/24/2004 9:42:04 AM
Hi, I need to build a testing scenario generator that will create binary messages for an application we have built. The UI would look like a movie editor in that it would have parallel timelines for the actions of several people and several machines. The user would be able to lay down acti...more >>

how to prevent duplicated in combobox....
Posted by Supra at 9/24/2004 9:39:54 AM
How do i prevent duplicated in combobox ? Private Sub ComboBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles ComboBox1.KeyPress If Asc(e.KeyChar) = Keys.Enter Then AxWebBrowser1.Navigate(ComboBox1.Text) Dim bFound...more >>

Disable Task Manager
Posted by Jeff Bell at 9/24/2004 9:31:05 AM
I'm trying to figure out how to PROGRAMMATICALLY disable the Task Manager while logged in as a "non-administrator" user (only belongs to the "Users" group). I know I can programmatically disable the Task Manager by having my app write a 1 to the registry key HKCU\Software\Microsoft\Window...more >>

Detecting idle time from a .Net application
Posted by Dan Nieuwland at 9/24/2004 9:29:06 AM
I'm having a lot of trouble finding a universal and stable solution to the problem of detecting a session's idle time. I have a .Net application that runs in the system tray, much like many of the messenger services out there. From what I've read in the newsgroups, there are several mechanisms...more >>

delete selected rows from a datagrid
Posted by Dick at 9/24/2004 9:25:06 AM
I have a datagrid whose datasource is a datatable. I want the user to select (multiple) rows in the datagrid, press a button and have the selected rows deleted. Iterating through the rows in the datagrid and testing to see if each is selected and then deleting the associated datarow from the d...more >>

User Control
Posted by Marcus Vinícius M. Montezano at 9/24/2004 7:57:02 AM
Hi All, Can I use user controls at windows forms??? if yes... Where I must search about it??? ...more >>

Looking for FREE components
Posted by Kenton Smith at 9/24/2004 6:13:55 AM
I am looking for free instrumentation type components for C# .NET. gauges, dials, meters, LEDs, etc. Thanks ...more >>

How to display the Progress (%) in the middle of a Progress Bar...
Posted by kajol at 9/24/2004 2:09:05 AM
Hi Everyone Can anyone tell me how can I display the progress in percentage in the middle of the progress bar with "invert color" using VB.NET, this is very common and available with most of the applications, like at the begining the text "0%" is shown in black text and the background co...more >>

Flexible layouts with WinForms
Posted by maybert NO[at]SPAM gmx.de at 9/24/2004 1:51:36 AM
I´d like to know if there is something like GridBagPanel under Java in WinForms. I have to organize controls in my dialogs flexible. The Dock/Anchor-Stuff is not enough for me. Can you help me? Thorsten...more >>


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