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all groups > dotnet windows forms > august 2003 > threads for wednesday august 27

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How to use Control.Invoke from a new thread
Posted by Christopher DuBuc at 8/27/2003 5:28:16 PM
I am new to threading and am a little confused... I have a windows form with which I have placed a user control made up of a treeview control and some loading methods. Since the loading of the treeview takes a while (15 sec), I am attempting to run the treeview loading logic in another th...more >>


simple databinding on a tabpage not so simple??
Posted by Robi at 8/27/2003 4:47:20 PM
In a toy project, the tab control is benign. Every time I get a large windws form with lots of control on lots of tab pages, it turns into a monster! True since J++ also. OK: Databinding controls on tab pages is a huge headache because for some reason when I fill a dataset before chan...more >>

Timer not working inside loop
Posted by Jay Stacy at 8/27/2003 1:51:26 PM
I have a timer on my form that works fine when I'm just sitting there looking at the form. As soon as I click a button that runs a routine that loops, the timer doesn't fire. What I want to do is exit from the loop after a certain time period if the loop exit condition is never met. Basica...more >>

How to find the DragDrop source ?
Posted by Nick Carter at 8/27/2003 11:59:07 AM
I have a 4 listboxes. I want to drag items from listbox1 onto listbox2 and from listbox3 onto listbox4. I don't want listbox2 to accept items from listbox3. How can I determine which listbox is the source of the drag operation ? Nick Carter ...more >>

GetChanges in a DataSet
Posted by developer at 8/27/2003 6:44:53 AM
Normally I can verify if a datasets content has changed on an event like a button click. In my case I would like to do this check on the form closing event. When I make the checkup I get the original dataset with without the changes that are supposed to have taken place. Even when I "watch...more >>

Row select in a windows forms datagrid
Posted by James Bender at 8/27/2003 6:25:00 AM
Hi, I have a datagrid that displays search results. I also have a column style applied to this grid. I would like to open a window for the appropriate row when the user double-clicks on it, but I am having trouble capturing the event in a way that the user doesn't have to do it a few t...more >>

How to programmatically set check on listview control
Posted by Lilly at 8/27/2003 5:30:24 AM
Hi, I have a listview control and set its checkboxes = true. How am I able to programmatically set check on it instead of using mouse click? e.g. if I want to set check for the first listview item, I declared this: Dim e As ItemCheckEventArgs = New ItemCheckEventArgs (indices(i), Che...more >>

Treeview control in a datagrid
Posted by Victor at 8/27/2003 4:39:49 AM
Hello, I=B4d like to present a datagrid with several column, where=20 the first one is a treeview. In this way, when the user=20 open a row clicking "+", the rest columns data are=20 presented. How can I get it? thanks in advance. Victor ...more >>




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