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When the user clicks, get the mouse cursor (I don't remember how), set the location of the listbox to the location of the cursor, and add it to the form and not the table.
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As Jordanwb suggested but you can have an invisible control and just move it and make it visible when required (may be better than creating and disposing of the control repeatedly). Deciding when to make it invisible after the user is finished will be the issue I would think.
Mouse location is easy to trap on the click event.
Never underestimate the power of human stupidity
RAH
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Hey Guys,
I have a datagridview that uses a DataTable as the data source: (dgv.DataSource = dataTable;)
The data loads into the dgv perfectly but it does not appear to be syncronized with the dataTable.
For instance, let's say I add a new row using the dgv. When I view the underlying DataTable, I don't see the new row added. This may be an easy question but I've scratched my head all day long trying to answer it. Once I can get the dgv's new rows to be added to the DataTable, I can update the table back to the database. Is there a function that I'm supposed to call from the dgv?
I've used up all my sick days, so today I'm calling in dead.
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I think you should put a bindingsource between dgv and datatable.
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Hi there.
I wanna do process that take a long time of cpu.
When I do that without Thread Not Responding occur.
But I don't know how can I do it by Thread.
Can you help me or refer me to an article ?
Thanks in advance.
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If your doing this process from a UI, I suggest researching BackgroundWorkers. If your making a service, then check out the System.Threadding namespace.
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Thank you Scott .
Can we access to Form's control by it (BackgroundWorkers)?
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The background worker cannot directly access other controls not on it's own thread. What you can do is use the ReportProgress method along with the ProgressChanged event from the BackgroundWorker object. If your using a progress par, you can pass a percent value into ReportProgress(int) from the thread that the background worker is on, and update the value of your progress bar from the ProgressChanged event.
There are many articles online about this objects, so search those for syntax and structure ideas.
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It seems that there is no way to get the LanguageID setting for an individual WorkBook (or WorkSheet) in Excel 2007. The only languageID in Excel is Application.LanguageSettings object, but this object is read-only. It can not be changed, and it is applied to whole application, not just for an individual Workbook (or WorkSheet). Even I open Excel to try to manually change language for the current workbook, but no way, because there is no button for setting language under the "Review" tab ribbon on the "Proofing" group.
Does Excel allow any user to set a specific language for each individual WorkBook (Or WorkSheet)? I know that the language can be set up from the "Office" menu under "/Excel Option/Popular", but that is for all Office App, not just for Excel (and of course, not just for each indivdual Workbook or workSheet).
Thanks a lot in advance.
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I believe that (preferred) language is a global setting for Office.
However, if you want to check spelling, the CheckSpell-method has a parameter for language:
SpellLang
Type: System.Object
The language of the dictionary being used. Can be one of the MsoLanguageID values used by the LanguageID property
Keyobard layout then again can be controlled via Control Panel's keyboard manager
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I want to use the "Insertion Point" to insert some specific symbol grabbed from a pop up form, but it seems that there is no way to get the "Insrtion Point" in Excel via VSTO Object Model. e.g. if for Word, I can use something like "Application.Selection" to get the "Insertion Point", and for PowerPoint, use something like "Application.ActiveWindow.Selection", but for Excel, the "Selection" object only represents a cell, a row, a column, or a selection of cells, etc. I can not get the selection object to represent something inside an individual cell.
I tried to use Application.SendKeys to simulate keyboard for this issue, but it does not work properly for unicode character. Any idea? Thanks in advance.
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How to make a form to look like a form that is used in Internet Explorer 7/8, Google Chrome... ?
In particular, i think about the top distance, and placement of other controls (textboxes, labels, etc) on top.
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Check out the free Telerik TabContainer. You get it when you register Visual Studio.
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Any ideas of non WPF solutions?
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http://blog.waltersys.de/komponenten/c-chrome-like-windows-forms-application/
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Since Chrome is an opensource project, you can download it's code and check how they implemented it.
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Help..Help...Help.. 
Hi
My name is Debjit ,I am trying move and rotate a Camera in a 3d sean.I am programing in C# using DirectX SDK.The problem is that when I rotate the camera and try to move the camera forward in z direction it goes z direction but facing on some other side because of the target position.
I know that i am not so clear but if anyone understood please help me.
Thanks
Debjit_625
Debjit_625
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What you mean saying the camera is "facing on some other side"? Actually, you didn't write what you want to achieve. Do you want the camera to point always the same direction?
If so, you may need to recreate projection matrix, which contains the look at point of the camera. Direction vector of the camera is :
dir = lookAt - position.
After you store it, you can calculate new look at point from any position:
<br />
newLookAt = newPosition + dir
Did I help you?
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Hi everybody,
I have a single html from "http://www.referansgazetesi.com/"
when I try to open it with Firefox 3.0, it's styles corrupts.
when I try to open it with google crome, I can't see anything, screen is white.
same problem with my webbrowser object in c# desktop application (I had set the SuppressAllScriptErrors property = true)
But,
when I try to open it with internet explorer 7.0, it's working with warning and Only menus couldn't load
warning is "To help protect your security, Internet Explorer has restricted this webpage from running scripts or ActiveX controls that could access your computer. Click here for options..."
When I click the "Allow Blocked Content", it comes white 
What is the problem?
I can't show this html in webbrowser...
any ideas?
Thanks...
I want to fly but I don't have wings
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Do you have a C# question?
led mike
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sorry, but it's about what?
it's not asp or .com or c++ or linq or silverlight or vb etc.. There is no web browsers topic.
I wrote in c# desktop application and I thought it could be C#.
No problem for me.
I'll put it, if you tell me that where?
I want to fly but I don't have wings
modified on Wednesday, September 3, 2008 12:35 PM
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enginço wrote: I'll put it, if you tell me that where?
What? You can't look at the list of forums for yourself, you need someone to do that for you? Whatever 
led mike
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Yeah, it's too bad we don't have a forum called "Web Development" That would be the natural place for that sort of question.
Today's lesson is brought to you by the word "niggardly". Remember kids, don't attribute to racism what can be explained by Scandinavian language roots.
-- Robert Royall
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c'mon guys...
if you don't have answer, please don't try to write anything
I couldn't take any normal answer since I signed up this forum. Please be a gentlemen...
I want to fly but I don't have wings
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