| "C# call VC COM, passing in memory block address" Revisit (VIP replies) |
| microsoft.public.dotnet.framework.interop |
| Hi, I felt so lucky to find this discussion dated of Aug. 1st, because we are having a similar problem. But as I tried a couple of times following the steps carefully, only failed to work it out.( I modified the RCW wrapper's IL file instead of the Windows Forms callable wrapper's IL file, because we are modifing its source code already.) Our problem domain: use MFC ActiveX Control project to crea... |
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| "object" or "Object" whats the difference (VIP replies) |
| microsoft.public.dotnet.languages.csharp |
| I come from Java and an Object would be the class whist object would likly be the varible to an object. I get the impression with C# that object is just an alias to the Base Class Object. Can anyone enlighten me as to any differences and by convention if I had a method that returns an object should I use one over the other. public object ReturnIt( ) { return new Blah( ); } or public Object ReturnI... |
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| "Stack Allocation" (VIP replies) |
| microsoft.public.dotnet.framework.clr |
| Hi all, I have been looking into "stack allocation" as outlined by Maierhofer and Ertl in their paper Local Stack Allocation (http://scholar.google.com/url?sa U&q http://www.complang.tuwien.ac.at/papers/maierhofer%26ertl98.ps.gz) recently, however the lack of instructions in the CLR for stack manipulation (swap and friends) makes such scheduling problematic and seems to imply that perhaps our best... |
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| 'new' help - newbie (VIP replies) |
| microsoft.public.dotnet.languages.csharp |
| Hi, I was wondering how to create an instance of a System.Type variable (if it is possible). For example: object someMethod(System.Type st) { object o new st(); // I know this is incorrect return o; } I know the above line is incorrect, but it is the best was i could descibe the problem. Thanks very much in advance, Tim. |
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| .Fill in OleDbDataAdapter (VIP replies) |
| microsoft.public.dotnet.framework.adonet |
| We are having a problem with OleDbDataAdapters. We have found that if you call the .Fill method twice the second time it returns no rows. You can also reproducs this by persisting the recordset to XML first. If you persist it to binary format it works fine. Does anyone have a solution for this? Thanks, |
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| .NET has a broken Exception model (VIP replies) |
| microsoft.public.dotnet.general |
| public DateTime Value { get { try { return new DateTime(int.Parse(tbYear.Text), int.Parse(tbMonth.Text), int.Parse(tbDay.Text)); } catch (FormatException) { // do stuff here } catch (ArgumentException) { // do stuff here } catch (OverflowException) { // do stuff here } } Since there is no good base class (No, I won't catch System.Exception) I have to catch all three exceptions separately. If all t... |
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| <seealso cref= to Class Constructor fails (VIP replies) |
| microsoft.public.dotnet.framework |
| I am trying to get a seealso link to the Class Constructor where a Field is set. This seems to be the last major problem to get a Warning free compulation, so it would be nice to get it solved. There are two Constructors in this class and I have tried the following : /// seealso cref "Cards.Cards(Panel,string,int,int,int)"/ or /// seealso cref "Cards.Cards()"/ or /// seealso cref "Cards.Cards"/ al... |
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| <seealso cref= to Class Constructor fails (VIP replies) |
| microsoft.public.dotnet.framework.compactframework |
| I am trying to get a seealso link to the Class Constructor where a Field is set. This seems to be the last major problem to get a Warning free compulation, so it would be nice to get it solved. There are two Constructors in this class and I have tried the following : /// seealso cref "Cards.Cards(Panel,string,int,int,int)"/ or /// seealso cref "Cards.Cards()"/ or /// seealso cref "Cards.Cards"/ al... |
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| 64 HI/LO DWORD extraction vb.net (VIP replies) |
| microsoft.public.dotnet.languages.vb |
| hi all, Im trying to create 64 bit integer structure in vb.net that i can extract the HI/LO parts from like you would in c using bit masking etc. I would have liked to beable to use an unsigned 64 bit int but it seems vb.net doesn't like me and spits out all kind of errors when i try to do bitwise operations on unsigned values. Im quite new to vb.net so dont bash me if there is an easier way to ac... |
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| A VB.NET Critique (VIP replies) |
| microsoft.public.dotnet.general |
| There is a VB.NET critique on the following page: http://www.vb7 critique.741.com/ for those who are interested. Feel free to take a look and share your thoughts. Cheers, Eric. Ps: for those on comp.programming, this may be off topic, but I've posted there because the critique was part of a discussion in that group. |
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| A VB.NET Critique (VIP replies) |
| microsoft.public.dotnet.languages.vb |
| There is a VB.NET critique on the following page: http://www.vb7 critique.741.com/ for those who are interested. Feel free to take a look and share your thoughts. Cheers, Eric. Ps: for those on comp.programming, this may be off topic, but I've posted there because the critique was part of a discussion in that group. |
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| Access database and the .Net Framework (VIP replies) |
| microsoft.public.dotnet.general |
| If i write a program that is using a Accessdatabase, does the user need anything else accept than the .Net Framework 1.1 to run my application. |
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| Accessing data on main form from another form (VIP replies) |
| microsoft.public.dotnet.framework.windowsforms |
| Can someone tell me how I would go about setting up a form the accesses the controls on another form in VC.NET? I have a graph set up on the main form and would like to open another form that has formatting options for the graph. Changes on the options form will update the properties of the graph on the main form. Thanks in advance for your help. Dave |
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| Accessing unmanaged DLL from C# client (VIP replies) |
| microsoft.public.dotnet.framework.interop |
| (Type your message here) How can I dynamically load a unmanaged dll in C#. Is it using DllImport? As in VC, can I use the LoadLibrary() directly? I have an unmanaged C DLL which exports certain classes. I want to access these classes from the C# client. I was able to do so by modifying the DLL source to export class creation and destruction functions. Is this the only option for the problem? If I ... |
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| Adding a Generic Delegate to an Event at Runtime (VIP replies) |
| microsoft.public.dotnet.framework.clr |
| Hi folks I have a Generic Value Type and I want to detect when the internal value changes. /////////////////////////////// public delegate void ValueTypeValidationHandler T (T oldValue, T newValue); public struct TestType T { private T value; public event ValueTypeValidationHandler T valueChanged; public ValueType(T value) { this.value value; valueChanged null; } public T Value { get { return valu... |
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| Adding check list box inside master detail web grid (VIP replies) |
| microsoft.public.dotnet.framework.aspnet.webcontrols |
| Hello all, I have nested a datagrid within a datagrid to display detail records. It kinda works but what I need to do is draw out a check list box I think as this is a dataentry application and I may need to trap what is selected and I need to do that by row. As I think when the user presses the submit button I will need to iterate through the grid, determine if the user selected details and if th... |
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| Adding Data to a DataGrid Form (VIP replies) |
| microsoft.public.dotnet.framework.aspnet |
| Hello, I have tyhis button Which is supposed to add data to a table. It is telling me Heel is not in the table. Below is a list of the table and Button. Thanks, Leo Private Sub btnADDTrussItem Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnADDTrussItem.Click Private Sub Page Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load If Not (P... |
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| Adding eventhandler to control (VIP replies) |
| microsoft.public.dotnet.languages.csharp |
| Hi, How can I add an even handler to a control that is not situated on the main page (it's situated in the repeater). How do I rewrite this to make it work ? Thanx, Neven this.btnSearch.Click new System.EventHandler(this.btnSearch Click); |
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| Adding HTMLAnchor (VIP replies) |
| microsoft.public.dotnet.framework.aspnet |
| Hello all, I would like to add links dynamically as well as capture their ServerClick event deriving them from a table. How can I do that? Here is what it would look like if I were to hard code it: tr td bgcolor "#ffffff" height "17" img height "7" src "../ReportsImages/navlink.gif" width "5" a class "Normal" id "BankDetail" href "MainMenu.aspx" runat "server" Bank Detail /a /td /tr tr td bgcolor ... |
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| Adding NULL to DataTable Row? (VIP replies) |
| microsoft.public.dotnet.framework.compactframework |
| Hello, I'd like to add a "NULL" value to a DataTable row that is expecting an Int32. The following code works fine when I want to add a value of "32" to the field.. 1) DataSet myDataSet new DataSet("dsTest"); 2) DataTable myDataTable myDataSet.Tables.Add("tblTest"); 3) DataColumn myDataColumn myDataTable.Columns.Add("colOne"); 4) myDataColumn.DataType System.Type.GetType("System.Int32"); 5) myData... |
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| Allow textbox to go past 32K characters? (VIP replies) |
| microsoft.public.dotnet.languages.csharp |
| I've an application which is using a multiline textbox to log the status of a fairly long procedure. "Updates" are made to the status by calling textbox.AppendText. As my task is fairly lengthy, I go well past the default max text length of the textbox. According to the documentation, setting MaxLength 0 will increase this to basically the limit of available memory. So, in the form designer, I set... |
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| API declaration in C# to be converted into VB.NET - HELP ! (VIP replies) |
| microsoft.public.dotnet.framework.windowsforms |
| Dear All, Below code I found in a post which bit older. I really appreciate if any of you could help me out to convert into VB.NET. Declare the API function. [System.Runtime.InteropServices.DllImportAttribute("gdi32.dll")] private static extern bool BitBlt( IntPtr hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, System.Int32 dwRop) *** Sent via Develop... |
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| Array of value-types (VIP replies) |
| microsoft.public.dotnet.framework |
| Another question, related to my previous post: Is array of value types a value type or a reference type? From what I know it is a reference type in normal usage in .Net 1.0 and 1.1. Do you know of any case where it would become a value type? Maybe in .Net 2.0? Best regards Rafal Gwizdala |
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| ArrayList ToArray Cast throwing exception (VIP replies) |
| microsoft.public.dotnet.general |
| ArrayList arrayList new ArrayList(); foreach (Blabla bla in Blablas) { arrayList.Add(Convert.ToInt32(blabla.something)); } so far this works great.. but now int[] intArray (int[])includedDevices.ToArray(typeof(int))); throws System.InvalidCastException: At least one element in the source array could not be cast down to the destination array type. i've also tried int[] intArray (int[])includedDevic... |
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| Arrays - Jagged - MultiDimensional (VIP replies) |
| microsoft.public.dotnet.languages.vc |
| Hello all I am trying to use jagged and multi dimensional arrays in C . In C# these work fine // for jagged arrays string [][] jaggedArray new string [3][]; //for multidimensional arrays string [,] multidimensionalArray new string[3,3] In C //for jagged arrays String* jaggedArray[][] new String*[3][]; error C2691: 'System::String gc * gc[]' : invalid type for gc array element //for multidimensiona... |
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