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  - 1
    - Data Paging ?? Why do all the references to data paging seem to apply only to the ASP.NET environment ? Surely data paging is an issue on rich client windows forms as well ? Let us suppose I have a database of 100,000 employee records in a database, each containing 100 fields of data, and a client screen that allows these to be queried in a grid. Given that some users may want to issue an open query to view ALL employees, do I really have to fetch all 100,000 records in full ? I'm sure the answer is no, but I can find no guidelines on how to fetch the data in batches (pages) as required (eg. only as the user scrolls down the grid and exposes some employees not yet fetched). This gets more complicated when you consider that the user may then want to order by any of the columns by clicking on the column heading. Theoretically this may mean that you have to clear your data and start fetching in batches again. Has anyone tackled this issue ? Does anyone have any guidelines ? Tag: PrintDocument question Tag: 53525
  - 2
    - looking for .NET menus Hello, I'm looking for a menu control that has the look & feel of VS.NET menus (like the one of Magic library) but which can also display a tooltip... I'm also looking for a VS.NET-like menu that can be used with a notifyIcon... Thanks ! Tag: PrintDocument question Tag: 53513
  - 3
    - Report Sharp-Shooter 1.3 has been published! 9rays.net Report Sharp-Shooter 1.3 has been published! Report Sharp-Shooter is the most flexible .NET report engine available on the market. It's a suite of 100% managed .NET components that allow you to create both bound and unbound reports with unlimited number of master-detail relations. You can build highly complex reports by using groups, columns, crosses, double pass mode, C#/VB scripting etc. Full data-binding model is supported with all .NET sources. Package includes royalty free runtime designer for ready documents and report-templates. The professional version comes with the source code. Visit us at www.9rays.net for more info. -- Best regards, Eugene Akinshin 9Rays.Net (.Net, Delphi, C++ Builder, ActiveX tools, components & controls) Tag: PrintDocument question Tag: 53510
  - 4
    - Obscure Exception in Windows Forms Code I have been plagued with seemingly random crashes in my Windows Forms application. It's hard to pinpoint when the crash occurs bu is often when minimizing the app or closing it. I am clueless as to what the problem is and it was happening in 1.0 and now 1.1 framework. I can sort of repro it by clicking on abunch of things in my app (basically exercise the app a but and then when I close it the app may or may not crash). This is the closest I have gotten to a repro. The call stack looks like this: System.windows.forms.dll!System.Windows.Forms.UnsafeNativeMethods.DestroyWin dow(System.Runtime.InteropServices.HandleRef hWnd = {System.Runtime.InteropServices.HandleRef}) system.windows.forms.dll!System.Windows.Forms.NativeWindow.DestroyHandle() system.windows.forms.dll!System.Windows.Forms.Control.DestroyHandle() system.windows.forms.dll!System.Windows.Forms.Application.ParkingWindow.Dest roy() system.windows.forms.dll!ThreadContext.DisposeParkingWindow() system.windows.forms.dll!ThreadContext.DisposeThreadWindows() system.windows.forms.dll!System.Windows.Forms.Application.ComponentManager.S ystem.Windows.Forms.UnsafeNativeMethods+IMsoComponentManager.FPushMessageLoo p(int dwComponentID = 1, int reason = -1, int pvLoopData = 0) system.windows.forms.dll!ThreadContext.RunMessageLoopInner(int reason = -1, System.Windows.Forms.ApplicationContext context = {System.Windows.Forms.ApplicationContext}) system.windows.forms.dll!ThreadContext.RunMessageLoop(int reason = -1, System.Windows.Forms.ApplicationContext context = {System.Windows.Forms.ApplicationContext}) system.windows.forms.dll!System.Windows.Forms.Application.Run(System.Windows .Forms.Form mainForm = {VssConnectClient.MainForm}) VssConnectClient.exe!VssConnectClient.MainForm.Main(string[] args = {Length=0}) Line 474 The exception is this: A first chance exception of type 'System.NullReferenceException' occurred in system.windows.forms.dll Additional information: Object reference not set to an instance of an object Anybody seen this kind of exception? Thanks - Joel Tag: PrintDocument question Tag: 53507
  - 5
    - drawing focus rectengle for owner drawn window form(like real one player form o) plz guide me how i can get handle to desktop and draw focus rectangle of a form. thx Tag: PrintDocument question Tag: 53506
  - 6
    - Identifier .cctor is not valid Hi all, Anyone ever see 'Identifier .cctor is not valid' show up in your task list after building a WinForms app. I figured I mispelled something but 'Find' doesn't turn up anything and the project compiles and runs fine. If I start a new project and import the form and class (thats the whole app) from the project thats behaving strangely, the task list items goes away. 'Identifier .cctor is not valid' shows up in the task list 4 times with the little form icon next to each one (I assume the form icon means the todo items relate to the form). There are 4 buttons on the form, so I assume 'Identifier .cctor is not valid' has something to do with the buttons. A quick search of the button properties and Windows generated code didn't turn up anything. Any thoughts. I hate little ghosty things like this. Thanks, Bob Tag: PrintDocument question Tag: 53502
  - 7
    - Accelerator Keys? I have set up accelerator keys for all of my buttons in an application. However, the underlined character representing the accelerator key only appears AFTER the user has pressed the Alt key. I want the character representing the accelerator key for all buttons to be shown when a form opens. Is there a way to do this? Otherwise, users might never know that accelerator keys exist. Thanks in advance. Rob Reagan rsr3@duke.edu Tag: PrintDocument question Tag: 53498
  - 8
    - How to change the color of the title bar in c#? I need to cange the color of the title bar depending on the state of my application. It seems the only way to do this is to intercept the WM_NCPAINT message and take responsiblility for drawing the entire bar - close box, maximize box, etc. Isn't there some way I can just tell the OS to change the color without all this extra work? Tag: PrintDocument question Tag: 53495
  - 9
    - deadlock when calling Form properties. I have an application that has the main thread and a second thread. The main thread creates an instance of a Form. This form is than added to a collection that is accessed by the second thread. The second thread calls methods and properties. The problem is, I seem to be experiencing a deadlock when I make calls to the Form. I have been researching this problem and have some across issues explaining that forms are not thread-safe and that this can cause deadlocks. That calls to Invoke methods are needed. Does this sound right. Are there any article that explain this behavior where I might get a better understanding of the problem? Tag: PrintDocument question Tag: 53484
  - 10
    - help - can not modified crystal report when switching computers Hi, I hope I am posting the questions on the correct news group. I created a report using Crystal Report.NET (VS.NET 2003 edition on Windows XP Pro) in my notebook. I then modified the report on my desktop (VS.NET 2003 edition on Windows 2003 Std Server). After which I could no longer modified the report on any other computers except on my desktop. I had tried to modified it on my notebook and another notebook (VS.NET 2003 - Windows 2000 Pro). What happen? Did I somehow lock the report? Thanks John Yung Tag: PrintDocument question Tag: 53482
  - 11
    - addhandler and removehandler - work as advertised? I have code in a form load (and I tried it in New() too) that says: "Removehandler me.comboCity.SelectedIndexChanged, me.comboCity_selectedIndexChanged" I needed to disable processing of the combo being changed while the control binds to the arraylist data via standard data binding during form load. Then after the data loads and the form is done I code: "AddHandler me.comboCity.SelectedIndexChanged, AddressOf me.comboCity_selectedIndexChanged" But the event still fires while the databinding is taking place, why? The event was supposed to be disabled? Thanks, Jeff Tag: PrintDocument question Tag: 53479
  - 12
    - DataBinding TreeNode and TreeView Hi, I Am trying to bind ForeColor property of a TreeNode with an object in the node's Tag property The idea is this .. when a certain value of the object associated with particular node changes I need to change the color of the node. Tree is not bound to any datasource. Thanks, Ron Tag: PrintDocument question Tag: 53475
  - 13
    - Adding 'Ctrl + /' Shortcut I want to comment whole line in a richtext control on my editor application. I've implement code and add a menu item. I want to add 'Ctrl + /' shortcut to the menu item. How can i do it!? Tag: PrintDocument question Tag: 53472
  - 14
    - CheckedListBox ... Hi All, How to enable or disable a item in CheckedListBox regards Subramanian Tag: PrintDocument question Tag: 53470
  - 15
    - Unrepeatable form bugs -- Is 100% managed .Net Stable? I am getting the following UNREPEATBLE symptoms on my 100% managed application:- - Form will not close via window close button. Need to Application.Exit(). - Keyboard events lost, cannot access the menus with Alt- - Null pointer exceptions deep within the Windows runtime. - TextBox OnValidated events stop firing after a while. OnLeave still works. Something is destabalizing the entire system. Feels like the bad old days of C++, eg. a corruped pointer. But that should not happen in .Net. Has anyone had similar problems? The application is very simple, with only one main form, only one thread. One complication is that it uses a Model-View-Controller approach and if the model changes too much I just recreate the guts of the form from scratch. The form has a TabControl which is permanent. But I periodically TabControl.Clear() and then recreate all the tab pages. I have not bothered removing the individual controls on the page before the .Clear(), I would expect this to recurse automatically. I have created a small dummy TextBox on the main form, and I send the focus their before doing a Clear. This seems to reduce the crashes. But one problem -- the textbox sometimes refuses to accept focus for no apparent reason. This is worrying. One can waste a lot of time hacking around buggy systems changing things in the hope that the bugs will disapear. Not having the .Net sources is also a worry -- I don't want to have to read them but in the event of a crash they are handy. Maybe we should have used Java. Regards, Anthony Tag: PrintDocument question Tag: 53463
  - 16
    - What is the proper way to cancel the closing of a MDI application? Hi, I have an MDI application. If the user presses the close button (the X in the upper right), I need to check each child form and see if it is dirty and give the user an opportunity a) lose their changes, b) save changes and continue closing, or c) abort the close action. I have code that presents these choices and does the correct thing from the MDI child's point of view, but I am search for a mechanism for notifying the MDI parent that a child has aborted the close. So far my code looks like: Private Sub myApp_Closing(byVal sender as object, byVal e as System.ComponentModule.CancelEventArgs) Handles MyBase.Closing Dim frm as form for each frm in me.MdiChildren frm.close() next End sub I suppose I could add some global that I check each time in the loop, but I thought that Windows.Net had a better mechanism. Any thoughts? Thanks, Jerry Tag: PrintDocument question Tag: 53462
  - 17
    - Patial Undo Disaster Using VS 2003, VB.NET.. There is a disastrous bug in the "undo" icon that cost me a lot of work... I had a data grid with an intricate collection of GridColumnStyles (i.e. created via properties, DataGridTableStyles Collection). I accidentally deleted the DataGrid in the WinForm, and immediately pressed the Undo icon which restored it and the DataGridTableStyles. To my horror, I realized later, it did not restore the GridColumnStyles collection at all - it was completely lost. If undo does not completely undo an action, it should warn you. Very frustrating... How do we know when undo completely works and when it only partially works? Bob Day Tag: PrintDocument question Tag: 53461
  - 18
    - DataGrid questions using VS 2003, Vb.net... In a WinForm, I have a datagrid with a parent child relationship named "Display Details". When you click on the + next to the Parent row, below it you get "Display Details" - when you click on that, you get the related child rows of the Parent row. Everything displays correctly. The parent row represents a telephone line (1,2,3 etc) and the child row represents what is happening real time on that line (Parent Line 1, Child Row 1 - Playing Greeting, etc.). So rows are constantly being added to the child rows (i.e. the dataset) (whether displayed or not). Question 1 - The "Display Details" seems non-standard windows programming. When you click a + next to an item, you expect to expand what ever is under it. Is there any way to get rid of the "Display Details" and just automatically expand to the child rows? There is only this one relation in the collection. Question 2 - I would expect "if mygrid.isexpanded(0) = true" to tell me that the datagrid for row 0 is expanded and the child rows are displayed. It does not. It only tells me that "Display Details" is visible or not. Toggling mygrid.expanded and mygrid.collapsed. simply displays or doesn't display the "Display Details" option. This is pretty useless. How can I determine if a Parent row is displaying the child rows or not? Question 3 - With a Parent row expanded to display child rows, how do I modify the Parent row? You would think that simply modifying the corresponding DataSet column value would accomplish this, but this generates an error that I cannot make sense out of. How do you update a Parent Row while it is expanded shows related child rows? Question 4 - Updating a Parent row column value(not a column used in creating the parent/child relationship) seems to always collapse the child rows for that parent row. Is there a way around this? Question 5 - Adding child rows to the DataSet does not display them in the datagrid if the screen is already full with previously child rows. You can, of course, scroll down to see it. How would you make the last child row added visible? Thanks for your help. Bob Tag: PrintDocument question Tag: 53460
  - 19
    - I need to open a WMF file from VB.NET How do I open an wmf file from vb.net? Where do I start? Thanks, Yelena Tag: PrintDocument question Tag: 53453
  - 20
    - Automating Word I have managed to automate word with a template of my choice in C# but what I want to do is for particular things to happen in my code after the word document is saved and nothing to happen if the document is not saved. Is it possible to do this using the interop assemblies, C# and Word? Tag: PrintDocument question Tag: 53441
  - 21
    - override datagrid cell context menu? My datagrid context menu does not display if the cursor is within a cell or the cell text is selected... instead the standard cut/copy/paste menu is displayed. how do I get my menu to always show up? thanks a bunch mike Tag: PrintDocument question Tag: 53434
  - 22
    - Sending a custom Windows message Hi, can anybody tell me if there is a way to define and send a custom windows message to a window and to specify a handler function for it in C#? The reason I'm asking this is following - I use some 3d party component that start its own threads. When my command is executed by this component it invokes my callback in the context of its thread. But I need to somehow update my GUI after that. I can't access my GUI controls from this callback (get an exception - wrong thread or something like that), so I thought that if I could place a message into my app's message queue then I could handle this situation properly. Thanks in advance! Regards, Dmitry. Tag: PrintDocument question Tag: 53428
  - 23
    - clear all errors with ErrorProvider I want to use a single ErrorProvider for my entire form by adding control/error combinations using: myErrorProvider.SetError(textBox1, errorMessage1); myErrorProvider.SetError(textBox2, errorMessage2); This works with no problems. However, I want to be able to easily clear *all* errors that the provider is bound to. I realize that I can set do this via the following: myErrorProvider.SetError(textBox1, ""); myErrorProvider.SetError(textBox2, ""); ...but since there will be a lot of controls on the page I'm hoping there's some way to simply clear all. myErrorProvider.Clear(); //alas, i know this doesn't exist... anyone have any suggestions? TIA Tag: PrintDocument question Tag: 53427
  - 24
    - Problem with the navigation in a tree view menu Hello, i have an application developed in C# .NET, it has a main window where is the tree view menu and it has several options, and when i'm navigating through the options suddenly i get an exception that says: "Exception has been thrown by the target of an invocation object" I hope you can help me to fixed this kind of error... Thank you.... Tag: PrintDocument question Tag: 53425
  - 25
    - ListView Questions After i populate a listview how can i manually selected an item. *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it! Tag: PrintDocument question Tag: 53424
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  - 1
    - Performance issue: integrating WinForm app with legacy COM DLLs We've noticed that invocations of legacy C++ COM DLLs from .NET (Managed C++ or C#) desktop applications is quite a bit slower than the same calls from good old native C++. Does anybody have specific information about why this would be the case? How about performance numbers, benchmarks, etc? Any suggestions to speed up the connection between new .NET code and legacy C++? Thanks for your help - Steve Tag: PrintDocument question Tag: 53417
  - 2
    - 2nd Repost: Problem Retrieving DataSet Returned By A WebService... anyone from Microsoft or anyone with solution? Hi, I'm working on a project which includes WebServices and Windows Form application. The Windows Form application will call the WebServices to retrieve data from database. The data will be returned as DataSet. Now, here's the problem. On .NET Framework 1.1, if any rows in the dataset returned contain errors (marked by calling the SetColumnError() method or setting the RowError property of the DataRow), I get the following error message in the Windows Form application, "There is an error in XML doument (1,xxxxxxx)" If I forced the Windows Form application to run on .NET Framework 1.0, everything works fine. Is this a bug? Or I need to make some code adjustment because of changes to the Framework? Here's the partial code for the WebService project Code: <WebMethod()> _ Public Function RetrieveDataSet() As DataSet Dim ds As New DataSet Dim dt As New DataTable Dim row As DataRow Dim i As Integer dt.TableName = "TestTable" dt.Columns.Add("TestColumn1", GetType(String)) dt.Columns.Add("TestColumn2", GetType(Integer)) ds.DataSetName = "TestDataSet" ds.Tables.Add(dt) For i = 0 To 10 row = dt.NewRow row("TestColumn1") = "This is row " & i row("TestColumn2") = i dt.Rows.Add(row) ' The following code trigger the error after the DataSet ' is returned to the calling Window Form application row.SetColumnError("TestColumn1", "Error message here") Next Return ds End Function For the Windows Form application, you need to insert a datagrid control (assumed as datagrid1). It will look something like this, Code: Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim ws As localhost.Service1 Dim ds As DataSet Try ws = New localhost.Service1 ds = ws.RetrieveDataSet Me.DataGrid1.SetDataBinding(ds.Tables(0), "") Catch ex As Exception MsgBox(ex.Message) Finally If (Not (ws Is Nothing)) Then ws.Dispose() End If End Try End Sub I really hope someone could help me out with this one. Thanks in advance. ps: Please, before anyone reply to state that I did not choose the appropriate groups when making this post a crossposts post, please know that I'm currently in blind on what is causing this error. Is it the WebService? or is it the ADO .Net? or is it Windows Form application? or is it VB .Net? Well, it has something to do with WebService as it only happens to the DataSet returned by WebService. It also has something to do with ADO .Net as I'm using DataSet. And it definitely has something to do with Windows Form application as if I force the Windows Form application project to run on .Net Framework 1.0, everything works fine. Tag: PrintDocument question Tag: 53416
  - 3
    - override DataGrid.BeginInit () I need to override DataGrid.BeginInit() (and DataGrid.EndInit()). They are inherited from the interface ISupportsInitialize. Here's how the documentation declares BeginInit: public virtual void BeginInit(); But when the following code: public class MyDataGrid : DataGrid { public override void BeginInit () {} } produces this compiler error: 'MyDataGrid.BeginInit()' : cannot override inherited member 'System.Windows.Forms.DataGrid.BeginInit()' because it is not marked virtual, abstract, or override What am I missing? Thanks! Kristin Tag: PrintDocument question Tag: 53414
  - 4
    - Delete Datgrid's Last Row, Click on the grid again, Get the Exception. Hi All, I am using a custom collection (inherits collection base) and set it as the datasource of the Datagrid. Everything works great except when I delete the last row. WHEN I CLICK ON LAST ROW ON THE GRID IT GIVES THE FOLLOWING ERROR : "An UNHANDLED exception has occured in your application.If U click Continue ,the application will ignore the error and attempt to continue. If u click quit , the application will be shut down immediately. Index was outside the bounds of the array!." The title of the messagebox is 'error when committing the row to the original datastore'. Im wondering how its going to commit the row to the original datastore when its a custom collection of software objects??? THE BUG happens EXCATLY when I delete the LAST ROW in the grid then try to click anywhere in the grid!. private void btnDeleteReference_Click(object sender, System.EventArgs e) { if(referenceCollection.Count>0) { if(dgReferences.CurrentRowIndex >=0) { referenceCollection.RemoveReferenceAt(dgReferences.CurrentRowIndex,App.Connection ); //dgReferences.CurrentRowIndex=0; dgReferences.DataSource = null; dgReferences.DataSource = referenceCollection; dgReferences.Refresh(); //int i= referenceCollection.Count-1; try { this.dgReferences.CurrentRowIndex = 0; } catch(Exception exxx){} //dgReferences.CurrentRowIndex = referenceCollection.Count-1; } } } I've tried with several combinations of assigning a valid integer to CurrentRowIndex ptoprty of the grid (Commented lines) to avoid the error. Still it throws the exception telling Invalid index, index should be non-negative or less than the bounds of the collection. I tried to catch the exception while assiging an integer to the currentRowIndx property, then too, exception is thrown by the Application's Main form, parent of my Form. What is this??? I found somewhere on the NET that this is a bug in MS Datagrid. But the worst thing is that even the SelectedIndex property is failing to work. I AM REALLLY FRUSTRATED!! Please help me out! :-( Thanks in advance, Sheetal Tag: PrintDocument question Tag: 53405
  - 5
    - TabControl & ComboBox Need to have same ComboxBox in two Tab Pages of a Tab Control so that both pages would exhibit same behavour for Combo events. Modifying the InitializeComponent() to add the combo to both the pages did not work. However dynamically adding the Combo to the selected page on tabControl1_SelectedIndexChanged event worked. Is this the right approch? Can I have two seperate combo and sort of set one equal to the other so that both Combos exhibit same behaviour for its events with out duplicating the code (event handlers etc) Thanks, Rajesh Abraham Chacko Tag: PrintDocument question Tag: 53400
  - 6
    - problem with bring to front Hello, I want to create a panel in a groupBox. My panel is larger than the groupbox. I want to use a vscrollBar to navigate into my panel. But when I use my vscrollbar, my panel design is above my groupbox. I try to use the bringToFront function but it seems to not work with childrens. Does anybody could help me? Tag: PrintDocument question Tag: 53399
  - 7
    - OnResize and OnSizeChanged This is a multi-part message in MIME format. ------=_NextPart_000_006F_01C35826.3D8DCA90 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, What is the differnce between OnResize and OnSizeChanged events in = windows forms. Thanks Rajeev ------=_NextPart_000_006F_01C35826.3D8DCA90 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2800.1106" name=3DGENERATOR> <STYLE></STYLE> </HEAD><FONT face=3DVerdana><FONT size=3D2> <BODY> <DIV>Hi,</DIV> <DIV> </DIV> <DIV>What is the differnce between OnResize and OnSizeChanged events in = windows=20 forms.</DIV> <DIV> </DIV> <DIV>Thanks</DIV> <DIV>Rajeev</DIV></BODY></HTML></FONT></FONT> ------=_NextPart_000_006F_01C35826.3D8DCA90-- Tag: PrintDocument question Tag: 53387
  - 8
    - How Do I Capture Mouse Wheel Movements? I have a Microsoft wheel mouse. When focus is on a scrollable panel, I would like to capture mouse wheel movement events to make the panel scroll as the wheel is turned. I don't see a mouse wheel event in the Windows.Forms.Control or panel control. Is there a way I can capture this in .NET? Thanks. Tony Lin Fremont, CA Tag: PrintDocument question Tag: 53385
  - 9
    - Making An AltTab Program/Task Switcher Hi guys, just like to ask how do I go about making a task switcher? Specifically I'd like to know what are the actual WindowStyles and WindowStyleEx I should look for to determine wheter or not to include it in the list. I've already done the EnumWindows bit, excluded all the blank title, and invisible windows.. but I'm still getting duplicates.. like VS .Net which has a main window.. and a Hidden window? There was supposed to be an article in MSDN I guess but it's not there anymore Thanks In Advance Tag: PrintDocument question Tag: 53383
  - 10
    - An If Then but Different This is a multi-part message in MIME format. ------=_NextPart_000_0008_01C357A7.083398E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable All, I am trying to calculate an if statement base of a value of 12 = multiplier. I'd much rather not have to type this all the way up for 60 = years. How can I turn my if statement into something like If Period = =3D 12 or multiplier of 12 then? For Period =3D 1 To TotPmts 'My period Work If Period =3D 12 Or Period =3D 24 Or Period =3D 36 Or Period = =3D 48 Or Period =3D 60 _ Or Period =3D 72 Or Period =3D ...........Then End If Next Period Thanks, Brian P. Hammer ------=_NextPart_000_0008_01C357A7.083398E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2800.1170" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV>All,</DIV> <DIV> </DIV> <DIV>I am trying to calculate an if statement base of a value of  = 12=20 multiplier.  I'd much rather not have to type this all the way up = for 60=20 years.  How can I turn my if statement into something like  If = Period=20 =3D 12 or multiplier of 12 then?</DIV> <DIV> </DIV> <DIV> </DIV> <DIV>        For Period =3D 1 To=20 TotPmts<BR>'My  period Work</DIV> <DIV>            = If=20 Period =3D 12 Or Period =3D 24 Or Period =3D 36 Or Period =3D 48 Or = Period =3D 60=20 _<BR>            = Or=20 Period =3D 72 Or Period =3D ...........Then<BR></DIV> <DIV>            = End=20 If<BR><BR>        Next = Period<BR></DIV> <DIV><BR>Thanks,<BR>Brian P. Hammer</DIV></BODY></HTML> ------=_NextPart_000_0008_01C357A7.083398E0-- Tag: PrintDocument question Tag: 53380
  - 11
    - Could not instantiate ActiveX control because the current thread is not in a sin Hi, I have a .NET .DLL called by a VB6 EXE. The following error message is when trying to instantiate a form in the .NET .DLL: Could not instantiate ActiveX control 'c932ba85-4374-101b- a56c-00aa003668dc' because the current thread is not in a single-threaded apartment Some documents suggest adding <STAThread()> proceeding the Main() method to enforce the .NET in running in the static thread. However, there is no Main() method in the .NET .DLL. Any one knows how to solve this problem? Appreciated very much. Tag: PrintDocument question Tag: 53375
  - 12
    - Selecting a directory dialog Is there anyway I can use the common dialogs SaveFileDialog for example, to select a directory? Seems it just opens the directory when I select it, and I don't see any flags to turn that functionality off. Thanks Ray Tag: PrintDocument question Tag: 53367
  - 13
    - Icons and Listviews I've got a series of items in a listview that contain icons in the first column. These icons are basically squares of specific colors (i.e. red, yellow, dark gray). When one of the items is selected and subsequently highlighted, the selected color is also applied to the icon, changing it to dark gray. I was wondering it it were possible to allow the user to select and highlight an item, while maintaining teh color of the icon. Or, in other words, disable selection and highlighting on the first column. Hacks and inelegant workarounds will also be accepted! Thanks, Chris Tag: PrintDocument question Tag: 53366
  - 14
    - Unable to Merge Menus... Guys, I've created a simple MDI form with a Top-Level menu and another Form with a Top-Level Menu. I was under the impression that their menu items were supposed to merge when I loaded the sub-form as a child of the MDI form. However, nothing happens. No merging takes place. I can't seem to figure out what's going on here. I'm using VB.NET 2003. Any help would be appreciated. Thanks, Mike Tag: PrintDocument question Tag: 53365
  - 15
    - Transfer an event to a different control Hi A simple question: I have a form with a ListBox and a RichTextBox. The user selects the list box and types some characters. I am trapping KeyPress events on the list box, and want to simulate having the rich text box receive that key press, so that the characters would also appear in the text box. I don't want to alter the text of the text box programatically with SelectedText=, because the text box is also taking care of the effect of backspace and other key presses. I believe that if one control contains another, the event is passed up the container hierarchy until it is handled, so I could set Enabled=false. But how can I transfer the event between peer controls, and can this be done in managed code? Many thanks for your help, James Carlyle Tag: PrintDocument question Tag: 53364
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    - VS.NET Installer Documentation I was wondering if there is any documentation on how to create an installer using the VS.NET Installer Project. I have played with it and understand some. I am specifically interested in how to: 1) See if .NET is installed and install if necessary 2) See if a database is installed (MSDE) and install if necessary 3) How to create program groups and short cuts for the START Menu 4) How to see if there is a previous version of software on the machine and overwrite, not the default of uninstall and then install. Thanks, Dave Tag: PrintDocument question Tag: 53360
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    - DataGrid row icons Hi, is it possible to get a handle to the icons used in a datagrid row? I want to use the same icons on a button control. E.g. The current selected row shows as a right arrow head and a new record shows as an asteric (*), etc. Thanks, Graeme Tag: PrintDocument question Tag: 53359
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    - DataGrid question Hi there!!! Is it possible to insert a button contol into the cell of the datagrid??? -- Vadym Stetsyak PDS Tag: PrintDocument question Tag: 53358
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    - resize panels smoothly Hi, I have a windows form with a button and 2 panels. All Panel.Dock = DockStyle.Left ------------- | | | | 1 | 2 | | | | ------------- When I click on the button, I want panel 1 to shrink and panel 2 to grow in width: int i = p1.Width; p1.Width = p2.Width; p2.Width = i; this.Refresh(); My question is... how to make the shrinking and growing animation look smooth and not flickering on the monitor? I tried to use timer, but it's completely unacceptable for user's experience. Please help! Thanks, Ching-Lung Tag: PrintDocument question Tag: 53355
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    - Trying to Auto Deploy Windows App (No Luck!) I am using a call application that has a button with the=20 following code to have the windows application sitting on=20 the web server come up.=20 Private Sub Button1_Click(ByVal sender As System.Object,=20 ByVal e As System.EventArgs) Handles Button1.Click=20 Try=20 Dim formAsm As [Assembly] =3D [Assembly].LoadFrom=20 ("http://SERVER/Cusip/CusipWindows.exe")=20 Dim formtype As Type =3D formAsm.GetType ("CusipChangeWindows.Form1")=20 Dim FormObj As Object=20 FormObj =3D Activator.CreateInstance(formtype)=20 Dim Form1 As Form =3D CType(FormObj, Form)=20 Form1.Show()=20 Catch ex As Exception=20 MsgBox(ex.Message)=20 End Try=20 End Sub=20 When I press the button I get an error on the=20 CreateInstance line ("Exception has been thrown by the=20 target of an invocation"). Listed below is the code from=20 the windows application. I setup the application under=20 the inetpub/wwwroot folder and gave it script only=20 executable permission and I put the data layer dll in the=20 GAC with a strong name. I also setup the server as a=20 trusted site on my machine and changed the security=20 policy for trusetd sites to meduim using the .NET wizard.=20 I don't know what else to try to get this application to=20 run. I also ran the application right from the browser=20 without the intermediary application and I got this=20 error:=20 "An unhandled exception of=20 type 'System.Security.SecurityException' occurred in=20 IEExec.exe=20 Additional information: Request for the permission of=20 type System.Security.Permissions.SecurityPermission,=20 mscorlib, Version=3D1.0.5000.0, Culture=3Dneutral,=20 PublicKeyToken=3Db77a5c561934e089 failed."=20 Code:=20 *****************************************************=20 Imports Microsoft.ApplicationBlocks.Data=20 Imports System.Security.Principal.WindowsIdentity=20 Imports System.Configuration=20 Public Class Form1=20 Inherits System.Windows.Forms.Form=20 Private dsCusip As New DataSet=20 Private CusipTable As New DataTable=20 Private iChange As Byte=20 Private MyString As String =3D GetCurrent.Name() 'Gets the=20 windows user=20 Private User As String =3D MyString.Remove(1, 11)=20 Private configFile As String =3D Application.ExecutablePath=20 & ".config"=20 Private strConnection As String=20 Private Function SaveNewChange(ByVal OrigCusip As String,=20 ByVal NewCusip As String, ByVal effdt As Date, ByVal=20 Commnt As String) As Boolean=20 Try=20 ' Set up parameters (4 input)=20 Dim arParms() As SqlClient.SqlParameter =3D New=20 SqlClient.SqlParameter(4) {}=20 arParms(0) =3D New SqlClient.SqlParameter("@OrigCusip",=20 SqlDbType.Char, 15)=20 arParms(0).Value =3D OrigCusip=20 arParms(1) =3D New SqlClient.SqlParameter("@NewCusip",=20 SqlDbType.Char, 15)=20 arParms(1).Value =3D NewCusip=20 arParms(2) =3D New SqlClient.SqlParameter("@EffDate",=20 SqlDbType.DateTime)=20 arParms(2).Value =3D effdt=20 arParms(3) =3D New SqlClient.SqlParameter("@User",=20 SqlDbType.VarChar, 15)=20 arParms(3).Value =3D User=20 arParms(4) =3D New SqlClient.SqlParameter("@Comments",=20 SqlDbType.VarChar, 2000)=20 arParms(4).Value =3D Commnt=20 Dim Reader =3D SqlHelper.ExecuteReader(strConnection,=20 CommandType.StoredProcedure, "Cusip_CusipChangeSave",=20 arParms)=20 While Reader.Read=20 MsgBox(Reader.Item("Status"))=20 End While=20 'set the changed flag=20 iChange =3D 0=20 Catch ex As Exception=20 MsgBox(ex.Message)=20 End Try=20 End Function=20 Private Sub btnSave_Click(ByVal sender As System.Object,=20 ByVal e As System.EventArgs) Handles btnSave.Click=20 If txtOrigCusip.Text <> "" And txtNewCusip.Text <> ""=20 Then=20 SaveNewChange(txtOrigCusip.Text, txtNewCusip.Text,=20 dtEffDate.Value, txtComments.Text)=20 End If=20 End Sub=20 Public Sub getChanges()=20 Dim connection As SqlClient.SqlConnection =3D Nothing=20 If iChange =3D 0 Then=20 Try=20 connection =3D GetConnection(strConnection)=20 Catch ex As Exception=20 MessageBox.Show("The connection with the database can=B4t=20 be established", "Application Error",=20 MessageBoxButtons.OK, MessageBoxIcon.Error)=20 Exit Sub=20 End Try=20 Try=20 SqlHelper.FillDataset(connection,=20 CommandType.StoredProcedure, "Cusip_PamCusipChanges",=20 dsCusip, New String() {"Cusips"})=20 CusipTable =3D dsCusip.Tables("Cusips")=20 DataGrid1.DataSource =3D dsCusip.Tables("Cusips")=20 'set the changed flag=20 iChange =3D 1=20 Catch ex As Exception=20 MsgBox(ex.Message)=20 End Try=20 End If=20 End Sub=20 Private Sub TabControl1_Click(ByVal sender As Object,=20 ByVal e As System.EventArgs) Handles TabControl1.Click=20 Dim i As Int32 =3D TabControl1.SelectedIndex=20 If i =3D 1 Then=20 getChanges()=20 End If=20 End Sub=20 Private Sub btnDelete_Click(ByVal sender As=20 System.Object, ByVal e As System.EventArgs) Handles=20 btnDelete.Click=20 Dim connection As SqlClient.SqlConnection =3D Nothing=20 Dim ErrorMsg As String=20 Try=20 connection =3D GetConnection(strConnection)=20 Catch ex As Exception=20 MessageBox.Show("The connection with the database can=B4t=20 be established", "Application Error",=20 MessageBoxButtons.OK, MessageBoxIcon.Error)=20 Exit Sub=20 End Try=20 'Create the command that will be used for insert=20 operations=20 Dim insertCommand As SqlClient.SqlCommand =3D=20 SqlHelper.CreateCommand (connection, "Cusip_CusipChangeSave", "OrigCusip", "NewCus ip", "EffDate", "User", "Comments")=20 'Create the command that will be used for update=20 operations=20 Dim updateCommand As SqlClient.SqlCommand =3D=20 SqlHelper.CreateCommand (connection, "Cusip_UpdateCusipChanges", "ID")=20 'Create the command that will be used for delete=20 operations=20 Dim deleteCommand As SqlClient.SqlCommand =3D=20 SqlHelper.CreateCommand (connection, "Cusip_DeleteSingleCusip", "ID")=20 Try=20 'Update the data source with the DataSet changes=20 SqlHelper.UpdateDataset(insertCommand, deleteCommand,=20 updateCommand, dsCusip, "Cusips")=20 MsgBox("Data Saved")=20 Catch ex As Exception=20 MsgBox(ex.Message)=20 Catch concurrencyException As DBConcurrencyException=20 MessageBox.Show("A concurrency error has ocurred while=20 trying to update the data source", "Application Error",=20 MessageBoxButtons.OK, MessageBoxIcon.Error)=20 ErrorMsg =3D "The following rows weren=B4t updated: "=20 Dim currentRow As DataRow=20 For Each currentRow In CusipTable.Rows=20 If currentRow.RowState <> DataRowState.Unchanged Then=20 ErrorMsg +=3D Environment.NewLine & "Product ID: " &=20 currentRow("ProductID").ToString() & _=20 " Product Name: " & currentRow("ProductName").ToString()=20 End If=20 MsgBox(ErrorMsg)=20 Next=20 Finally=20 'set the changed flag=20 iChange =3D 0=20 End Try=20 End Sub=20 Private Sub CreateReport(ByVal QueryType As String)=20 MsgBox(strConnection)=20 End Sub=20 Private Function GetConnection(ByVal connectionString As=20 String) As SqlClient.SqlConnection=20 Dim connection As New SqlClient.SqlConnection (connectionString)=20 connection.Open()=20 Return connection=20 End Function=20 Private Sub Form1_Load(ByVal sender As Object, ByVal e As=20 System.EventArgs) Handles MyBase.Load=20 strConnection =3D ConfigurationSettings.AppSettings.Get ("ConnectionString")=20 End Sub=20 End Class=20 ********************************************************** **************** Tag: PrintDocument question Tag: 53353
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    - Need to write a App to read a Ftp and a Stored Procedure Hello All, I would like to write a VB.Net App which reads Ftp and a Stored Procedure.Any Idea.? Thanks Tag: PrintDocument question Tag: 53351
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    - program exited without throwing any exception We have upgraded the VB6 application to VB.NET. The application uses Crystal Reports 9.0 (Advanced) for reports, it also has MSFLEXGRID of VB6. If we switch to another application by pressing ALT+TAB, the .NET application exits without generating any errors. It says " The program xxx "has exited with code 0"" Tag: PrintDocument question Tag: 53350
  - 23
    - Making control size fixed (like PictureBox.SizeMode) How can I make my control have a fixed size? I want it to act exactly like the PictureBox control does when SizeMode is set to AutoSize. Thanks! Tag: PrintDocument question Tag: 53348
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    - WebBrowser ctrl: switch off context menu in C#? Hi, I am using the AxSHDocVw.AxWebBrowser web browser control in my windows forms application in C# and I would like to switch off the context menu of the browser. Currently, I only found a solution for c/c++: It seems that one has to implement the IDocHostUIHandler interface, which should be defined in the mshtml assembly. Apparently, it is not there. Any ideas? Other solutions welcome as well! Thanks in advance, Guenter Tag: PrintDocument question Tag: 53345
  - 25
    - Long drawing loop cancellation Thinking about a standard "silly" problem of giving a user an option to cancel long drawing loop, I read a lot of articles and did some investigations of my own. (I work with C# .Net 2003). My application must provide a very sophisticated drawing, which is actually a millions-length sequence of simple line or ellipse drawings executed in a very long loop. Naturally, I'd like to give a user an option to cancel the drawing. I have a number of rather bad solutions and I don't see any acceptable one. The Solutions are: 1. The drawing loop is execute in the UI thread and calls DoEvents() to allow "Cancel" button to be pressed. The downside is well known (see DoEvents() method adoption discussions) ? UI thread is busy and natural events sequence is broken. 2. The drawing loop is executed not in the UI thread. The downside is seldom exceptions. Generally, as I know, .Net does not allow drawing from non UI thread. 3. The drawing loop is executed not in the UI thread but all drawing operations are executed in the UI thread by calling Invoke for each elementary drawing operation. Theoretically, this must be the correct schema! . The downside is that Invoke() is a very expensive call, so it works inappropriately long (see table below). 4. Using memory-stream metafile for buffering. Actually, this is not what I need; in addition, it works even longer then #3. Here is the execution time comparative graph for different implementations of a loop with 2,000,000 drawing lines on my PC. 1. Execution in the UI thread (without DoEvents() calling) - time 00:00:04.6250592 (given as 1) and no "Cancel" available 2. Execution in the UI thread (calling DoEvents() on each step) - 00:00:10.5937500 (2.3 times longer) 3. Execution in a non UI thread (calling Invoke() for each drawing operation) - 00:05:41.560314 (73.8 times longer) 4. Drawing in memory-metafile (no DoEvents() or Invoke() ) - execution time 00:05:06.7153993 (66.3 times longer) Of course, 5 minutes instead of 5 seconds is too much for such a common task (a long loop cancellation). Any suggestions will be deeply appreciated. Alex Tag: PrintDocument question Tag: 53342

I derived a PrintDocument class and I put it on a windows.form. There is a
way to get a reference to the form ? I want to iterate through form's
controls.

Thnx for any advice.

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