Nat Raja's Q&A profile

• Visual C++ Call C# Usercontrol/form from unmanaged C++ code

  Hi All, I am trying to call a C# Usercontrol/form from my unmanaged C++ application. After doing TlbExp / RegAsm, I am able to call the C# exposed methods from C++ application. But the C# UI is not coming up in my C++ application. Please let me know whether what I am trying is possible and if "Yes" please give me some pointers. Thanks. Yes, except that this option turns /clr on for all your project. That wou ...Show All

• Windows Forms Cannot call Close() while doing CreateHandle()

  If I load the form below as an mdichild and try to close it again, say after a condition failed I get the error Cannot call Close() while doing CreateHandle(). I tried to pu then check condition that close the form in MyBase .Activated event by its still comes back with the error Private Sub Form1_Load( ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase .Load Try Dim f As New frmTranSetup If f.ShowD ...Show All

• Windows Forms Overwriting BindingNavigator AddNew

  In a form, I want particular things to happen on the form when the user presses the AddNew button in the BindingNavigator . So I want to call my own code in the bindingNavigatorAddNewItem.Click. I put myBindingSource.AddNew in the bindingNavigatorAddNewItem_Click, followed by additional code. When I click the AddNew button I immediately get an error telling me that one of the columns in the table can't be null. Joe Stegman said " The ...Show All

• Visual Studio Express Editions VISUAL BASIC EXPRESS - 2 COPIES

  Several weeks ago I installed VB Express from a CD On Friday I installed Visual Studio Express from a DVD which I received from Microsoft. Do I now have 2 copies of VB Express on my computer If I do , can I use the Uninstall program to delete the 1st VB Express installation Visual Basic Express Edition is a product that can be individually installed and uninstalled. If you want to uninstall it you should be able to find it in the ...Show All

• Windows Forms Hidden parent, visible child, VisibleChanged

  I have a container that is to be displayed only when child controls are visible. I hook the VisibleChanged event to detect the child controls transition from visible to not visible to hide the container but if the container is invisible, I cannot detect that the child has become visible. Is there a way to detect a child has become visible from the parent when the parent is not visible The VisibleChanged event does not provide an argument (I was ...Show All

• SQL Server error: 40 with sql server 2000

  Hi I am getting this really annoying error that I cant resolve. I have created a website that accesses a SQL SERVER 2000 database and it works perfectly on my home machine. The error has occurred when I have transferred it to my hosts server. This is the error: An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default ...Show All

• Visual Studio SQL Server 2005 Express April CTP Fails from VSTS DVD

  When installing VS 2005 (Team Suite) the SQL Server Express install fails with an error code 1603. Also tried reinstalling it after VS but still fails with same error code. Anyone else got this problem /Per Salmi This was a clean installation on a new PC. I can't find the installer or the folder you mentioned to do a manual install. ...Show All

• Visual C++ Html View in a Dialog Based application

  Is it possible to open an HTML window from within a dialog based application I have attempted to do this using the CSingleDocTemplate class with frame, view (derived from CHtmlView), and document classes. When I invoke the OpenDocument method, I get the error "Failed to create empty document". Is there something fundamentally wrong here like the framework won't let me do what I'm attempting It appears to be failing when the default LoadFrame met ...Show All

• SQL Server Why I cant add key attribute into the hierarchy of the dimension?

  Hi, all here, I was trying to create some dimensions, I found that the key attribute of each dimension cant be added to the hierarchy. Is it that key attributes cant be used for hierarchies Also, we can create different hirarchies for the same data source view Thanks a lot in advance for any guidance and help. Hi, You should be able to add the key attribute to a hierarchy, just make sure it is added as the last level. In the dimensio ...Show All

• Visual Studio 2008 (Pre-release) Webcams...

    Is it possible to display in Avalon (don't make me call it "WPF" :) the video stream from a webcam.   Even better, display it after it passed through a DirectShow filter graph.   Thanks in advance, Antao This was asked in the context of PVR type streams.  Apparently they are using a component that does not support streams other than from a "server".  You would ne ...Show All

• Game Technologies: DirectX, XNA, XACT, etc. Basic question: Transforming a vertex is shaking my worldview

  Wow, I always thought I had had matrix transformations pretty well figured out until now. So say I have a vertex, conveniently located at the origin (0,0,0). If I want to apply a transform to this vertex -- namely, a translation, I could do something like this: Matrix translationMatrix = Matrix .Translation(100.0f, 50.0f, 0.0f); // a simple 2D translation Vector3 myVector = new Vector3 (0, 0, 0); myVector.TransformCoordinate(trans ...Show All

• Visual C++ Has to do with linking files to a project

  I'm not really new to VC++.. I have VS2003.net and have used it for years now, but I have never seen this before. I am using threads and sockets, so I need to include items in my linker. Normally that would not be hard, I would just rightclick on the project, select properties, go to the linker tab and add the lib dependancies there... here is my problem: When I select the properties, I cannot change ANYTHING. Furthermore, when I select su ...Show All

• Visual Studio Express Editions Problem with free ebooks

  I complete the activation process, two weeks ago, but i don't receive any e-mail with information about how to download the ebooks, if any have the same problem and know any email where i can get more information please let me know I completed same and it's been more than a month, but I have not received any links to download. Is this offer real ...Show All

• SQL Server DataSourceInfo Property Problem

  HI, My name is Paras Dhawan, I was looking for a code which can execute mdx queries through JAVA code using XML for Analysis and I found the following code at Microsoft Forum (click to see) Before executing this code I have installed Microsoft SQL Server 2000 Analysis Services Microsoft SQL Server 2000 Service Pack XML for Analysis XML Parser 4.0 IIS I have followed all the ...Show All

• Smart Device Development HttpWebResponse Hangs Subsequent Connections

  Greetings, I am having issues with a method I wrote for a compact framework application I wrote. The method is supposed to download an image from a specified URL (functionality easily present in the full framework, but not the Compact one unfortunately). My method works fine on its first trip out, but subsequent trips cause it to hang my application until the request times out. The workflow for this method is that it is called for ea ...Show All