Unable to add short key key to tab sheet in tab control

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- Previous
 - 1
 - Memory Issue I am developing a application and I think I have a memory leak, but I am not sure. TESTS: 1: I open and close a edit window I have work on for 2 weeks the memory grows by 6MB 2: I open and close the same edit window with no code, no data just controls and the memory grows by 6MB 3: I create a brand new form with a couple of random controls and no code and I open and close it the using the same SUB, memory does not increase at all. Something seems to be wrong with my window however I have no idea what. Could someone give me some insight into why this would be happening. I really do not want to cut and paste all my code and controls into another window just to find out I still have the same problem. Tag: Unable to add short key key to tab sheet in tab control Tag: 56163
 - 2
 - how to set focus on a combobox on a tab when the form is loaded? Hi, I have a form with 3 tabs and each tab has a combobox on it. When the form is loaded, I determine which tab to display based on parameters passed into the form's New() method. When the form is loaded, I would like to place the cursor in the combobox of the selected tab, place some text in the combobox, and highlight the text. However, not only am I unable to get the cursor in the combobox (combo.focus () executes, but does not do it), assigning the text to combo.text does not show the text in the combobox. combo.SelectAll combo.SelectedText = [my text] creates an error, apparently because combo has not been fully loaded yet. Any ideas how to get the text into the combobox, highlight the text, and put focus in the combo? Thanks, David Tag: Unable to add short key key to tab sheet in tab control Tag: 56161
 - 3
 - how to set focus on control in a tab on tab click? Hi, When I click a tab on my form, I want a combobox on that tab to be given the focus (I want the cursor to be sitting in the combo, blinking, and if the user starts typing, the text should appear in the combo). Setting the focus from the tab.SelectedIndexChanged event does not do it. The combo seems to have focus (if I type, the characters appear in the combo), but the cursor is not visible until I click in the combo. Any thoughts? Thanks, David Tag: Unable to add short key key to tab sheet in tab control Tag: 56159
 - 4
 - .NET DataGrid vs. 3rd party controls I have not done much work with .NET yet but we are trying to decide whether the grid that Microsoft provides is going to provide enough functionality for us. As far as VB 6, we use the Videosoft FlexGrid now and have found it to be very useful. Does anyone know what how good/bad the .NET grid is? Are there different versions for web forms versus windows forms? Any help would be appreciated. Thanks! Tag: Unable to add short key key to tab sheet in tab control Tag: 56155
 - 5
 - Problem with Web Service and Inherited Forms Hallo, I have a big problem with Windows Forms and Web Services. When I add a Web Service to my solution, the forms inherited from other forms don't get opened in design mode and I get a reference error. Am I the only one who has got this problem? I have Visual Studio 2003 and framework 1.1 Please help me... Tag: Unable to add short key key to tab sheet in tab control Tag: 56153
 - 6
 - Book Suggestions Please! I have had VS7 for about a year now and use C# mainly. The apps that I write are for my own use on the desktop so ASP/Web applications hold little interest for me. I tend to use the Win API a lot still but I suspect that there are better ways. I am looking for book(s) that give details of the various namespaces and the functionality within them (I know it's in the help but I can't read that in the bath) and especially any books that will ease the transition from the API to inbuilt functionality (assuming it's there). Books that show how to use the API for things like shell hooks and how to show the system context menu would be very much of interest. I liked the earlier Petzold books because they gave a complete breakdown of the API and also Appleman's book on VB6 and the API. I have I got Petzold's Programming Windows, Jesse Liberty's Programming C# and Mueller's .NET Framework Solutions. They look good on the face of it but are very basic once you get into them and really add nothing beyond the excellent help system in VS.Net. Any suggestions would be appreciated, those I have searched for usually end up being about writing Web apps rather than Windows Forms apps. Regards -- Jeff Gaines Damerham Hampshire UK Tag: Unable to add short key key to tab sheet in tab control Tag: 56148
 - 7
 - How to detect closed form? I have opened form from another form and I have an variable with reference on it. But what if someone close referenced form? I tryed to test an variable on Nothing value but there is still reference on closed form. The questin is: How can I find out that the referenced form is closed. I have two ideas: 1) Exception handling 2) Handle closed event of closed form Is there some better way? And another problem. When a referenced form is closed, I can still run frm.Hide() without throwing exception, but frm.Show() fires exception. Object is closed, so why frm.Hide() doesn't throw the exception too? Thanks Martin Skrenek Tag: Unable to add short key key to tab sheet in tab control Tag: 56144
 - 8
 - Data Entry via DataGrid Is it possible to do add records via a datagrid? For example, an application opens a datagrid with its source a datatable with 2 records. Can one add a third record to the source datatable via the datagrid? If so, how please? Thank you. JT Tag: Unable to add short key key to tab sheet in tab control Tag: 56137
 - 9
 - ANN : Klik! SizeLib.Net v1.2 has been released... This is a multi-part message in MIME format. ------=_NextPart_000_0081_01C37618.C29B82D0 Content-Type: text/plain; charset="iso-8859-9" Content-Transfer-Encoding: quoted-printable =DDstanbul, Turkey - 05 September 2003 =20 Klik! Software today announced availability of SizeLib.Net v1.2 to make = your .Net applications resolution independent. =20 SizeLib.Net consists of 2 controls. The first one is a full blown = Resizer control which keeps your controls size/font proportion related = with it's container. The second one is SizePos control which completes = the well known resolution independent paradigm claimed by most of the = resizer products. This control tracks the screen resolution and adjusts = your forms whenever the resolution changes and also has the ability to = save your form/size and position to ensure that your forms will always = open on the same size and position. =20 ".Net Windows Forms has brought us great layout management features like = ability to dock and anchor controls." said =D6zden Irmak, President of = Klik! Software. "But sometimes they don't let you to achieve the layout = management you want. This brought us with the conclusion of SizeLib.Net. = We aimed not to give only a Resizer control but also wanted to complete = the well known resolution independent paradigm with the SizePos control = and more...". =20 Please come and visit us on http://www.kliksoft.com/ to have more = info... =20 About Klik! Sofware :=20 =20 Founded in 2002, Klik! Software is a privately held company with the aim = of developing quality software components and tools for software = development community. =20 Our aim is to provide easily usable and most functional products on the = market which also reflected to our slogan, "the rest is just a few = kliks...". ------=_NextPart_000_0081_01C37618.C29B82D0 Content-Type: text/html; charset="iso-8859-9" 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-8859-9"> <META content=3D"MSHTML 6.00.2800.1170" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY> <DIV> <SPAN=20 style=3D"FONT-FAMILY: Verdana">=DDstanbul,=20 Turkey – 05 September 2003<?xml:namespace prefix =3D o ns =3D=20 "urn:schemas-microsoft-com:office:office"=20 /><o:p></o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana"><o:p> </o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana">Klik! = Software today=20 announced availability of SizeLib.Net v1.2 to make your .Net = applications=20 resolution independent.<o:p></o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana"><o:p> </o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana">SizeLib.Net consists=20 of 2 controls. The first one is a full blown Resizer control which keeps = your=20 controls size/font proportion related with it’s container. The = second one is=20 SizePos control which completes the well known resolution independent = paradigm=20 claimed by most of the resizer products. This control tracks the screen=20 resolution and adjusts your forms whenever the resolution changes and = also has=20 the ability to save your form/size and position to ensure that your = forms will=20 always open on the same size and = position.<o:p></o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana"><o:p> </o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana">“.Net Windows Forms=20 has brought us great layout management features like ability to dock and = anchor=20 controls.” said =D6zden Irmak, President of Klik! Software. = ”But sometimes they=20 don’t let you to achieve the layout management you want. This = brought us with=20 the conclusion of SizeLib.Net. We aimed not to give only a Resizer = control but=20 also wanted to complete the well known resolution independent paradigm = with the=20 SizePos control and more...”.<o:p></o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana"><o:p> </o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana">Please come = and visit us on=20 <A href=3D"http://www.kliksoft.com/">http://www.kliksoft.com/</A> to have=20 more info...<o:p></o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana"><o:p> </o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana">About Klik!=20 Sofware : <o:p></o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana"><o:p> </o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana">Founded = in 2002,=20 Klik! Software is a privately held company with the aim of developing = quality=20 software components and tools for software development=20 community.<o:p></o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana"><o:p> </o:p> <SPAN=20 style=3D"FONT-FAMILY: Verdana">Our aim = is to provide=20 easily usable and most functional products on the market which also = reflected to=20 our slogan, “the rest is just a few=20 kliks...”.<o:p></o:p></DIV></BODY></HTML> ------=_NextPart_000_0081_01C37618.C29B82D0-- Tag: Unable to add short key key to tab sheet in tab control Tag: 56132
 - 10
 - docking forms Hello, I have a form (mdiclient) containing 2 docked forms frmprojecttree and frmProjectinfo The following code creates the docked form frmProjectinfo Public shared cProjectinfo as content ' Create the object that manages the docking state DkManager = New DockingManager(Me, Crownwood.Magic.Common.VisualStyle.IDE) cProjectInfo = DkManager.Contents.Add(New frmProjectInfo, "Project Info ", internalImages, IntCount Mod 6) IntCount += 1 ' Setup initial state to match menu selections DefineContentState(cProjectInfo) ' Setup the correct starting colors to match the menu selections DefineControlColors(cProjectInfo) ' Request a new Docking window be created for the above Content on the right edge DkManager.AddContentWithState(cProjectInfo, State.DockTop) The fields within this docked form are bound to a collection, this works fine as the index of the collection "projlist" changes. below is the binding code ProjList = Projectlist.GetProjectsArray() 'bind all the form fields to their respective properties of Project 'MyProjectDet.MdiParent = Me.MdiParent mdiClient.CProjectInfo.Control.Controls (6).DataBindings.Add("text", ProjList, "ProjectCode") mdiClient.CProjectInfo.Control.Controls (4).DataBindings.Add("text", ProjList, "ProjectSiteAddress") mdiClient.CProjectInfo.Control.Controls (3).DataBindings.Add("text", ProjList, "ProjectSiteName") mdiClient.CProjectInfo.Control.Controls (8).DataBindings.Add("text", ProjList, "ProjectSiteTownCity") The only problem is that when you click to dock the projectinfo form by clicking on the bell the binding is lost. Any idea how to stop the binding from been lost on docking (clicking the pin icon) of the projectinfo form. Regards Robert Tag: Unable to add short key key to tab sheet in tab control Tag: 56130
 - 11
 - DataGrid Hello, i'm using DataGrid in my WinForm application, now i'd like to know how to get notified when the data is changed by the bindingmanager, because i've a master detail form and i'd like to know when the data in my detail (datagrid) is changed when master data change. than you Tag: Unable to add short key key to tab sheet in tab control Tag: 56126
 - 12
 - Focus on Panel Hi NG, how can I make a panel focusable? Thanx Rudi Tag: Unable to add short key key to tab sheet in tab control Tag: 56123
 - 13
 - .net localization problem can i specify the localization (which language to display) each time when i run a window application instead of localize by the windows system automatically? Tag: Unable to add short key key to tab sheet in tab control Tag: 56115
 - 14
 - String Builder - not appended Hi I am using a variable of StringBuilder to form a string. After appending a string of value like this {\rtf1\ansi\ansicpg1252\deff0\deflang1033{\fonttbl{\f0\fnil\fcharset0 Verdana;}} \viewkind4\uc1\pard\f0\fs17 saesae \b esrdsr esrdsr\i refetwe\b0\i0\par } This value is appended to that string builder. Whatever appended after this value, not getting appended to the StringBuilder. How to solve this problem? Thanks and Regards Karuppasamy Natarajan Tag: Unable to add short key key to tab sheet in tab control Tag: 56114
 - 15
 - Toolbar buttons dont' show I just wrote a quick Windows app with some toolbar buttons. In design view, the buttons show up fine, but when I run the app, the toolbar button images don't show up. Is there some simple setting that I am missing? I've tried using both .GIF and .BMP format, and both show up fine in the designer (although the GIF is the only one that has transparency working normally). Tag: Unable to add short key key to tab sheet in tab control Tag: 56107
 - 16
 - Printing Problems I am printing several pages. Problem 1: While the printout looks fine on one printer (OKI C9400 PCL) it comes out as gibberish on another one (HP LaserJet 5/5M PostScript) Other Windows applications (such as Word, Excel) print OK to both. Problem 2: If I preview the pages (using any of these printers), the printout looks OK on screen. When printing from the Preview dialog only partial data is printed (same on both printers except for the gibberish). Any ideas? Tag: Unable to add short key key to tab sheet in tab control Tag: 56104
 - 17
 - UserControl Load Event Does anyone know of an event that is fired after a UserControl is created regardless of whether it is visible or not. I have a data bound UserControl that needs to populate it's contents when it is loaded at runtime, but not at design time. If i try to load the data in the constructor, the DesignMode property is not set so I can't skip the data loading in the designer. If I handle the Load event, it doesn't fire when the control is first created, only after the parent form is hidden, then re- displayed. Anyone? Anyone? Tag: Unable to add short key key to tab sheet in tab control Tag: 56101
 - 18
 - Application slow down Hi there. I have written a kiosk application in C# where the user can browse the internet amongst other things. When there has been no user activity for a while (e.g. half an hour) the application seems to slow down and responds slowly to the next user. I was wondering if anybody has an idea as to what could be the reason for this. Thanks, Anders Schultz Tag: Unable to add short key key to tab sheet in tab control Tag: 56100
 - 19
 - Images on button with XP-Theme I have an application that has bitmap images on the button. The applicaton was displaying them fine until I added a manifest to the application to display them as XP style buttons. I used the example manifest in the VS 2003 documentation in C#. I have spent a couple hours scanning the web looking for the answer to this.. What do I have to do differently to the image on a button when it is displayed using an XP them.? Anyone able to nudge me towards a solution? Thanks... Tag: Unable to add short key key to tab sheet in tab control Tag: 56095
 - 20
 - Form's Location I am trying to possition a main application form (Form) at a specific location. I used Bounds and Location properties to set the x and y of the form and with no avail. The form get displayed anywhere but where I want it to be. Tag: Unable to add short key key to tab sheet in tab control Tag: 56091
 - 21
 - Project Is anybody interested in joining me and Marc (http://www.codeproject.com/useritems/AAL-1.asp? print=true) in working on a .NET based product that could potentially lead to a commercial release? Please, don't replay unless you are serious and have time and energy to see it through. Roman Tag: Unable to add short key key to tab sheet in tab control Tag: 56088
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 - WindowState Event How can I catch the WindowState change event? Tag: Unable to add short key key to tab sheet in tab control Tag: 56087
 - 23
 - How to change the ForeColor and BackColor of a listview subitem? Is there any way to change only the ForeColor and BackColor of a subitem of a listview item? That means if the listview is displayed in detailed mode, only one field of a listview item has a different color instead of the whole row. Tag: Unable to add short key key to tab sheet in tab control Tag: 56085
 - 24
 - PropertyGrid Hi all Could some onne point me to the right direction please? I am trying to create a new PropertyGrid derived class and add a new property tab on it. Put it on a form and use it as a customised property display of any selected object. I have found no suitable method to add a PropertyTab in the PropertyTabCollection of the PropertyGrid. I have tried using the PropertyTabAttribute on a target object's class definition, but that doesn't work either. Surely I am missing something obvious. Thanks RK Tag: Unable to add short key key to tab sheet in tab control Tag: 56084
 - 25
 - listview item looses forecolor Hello All, I have a listview item on listview with the property HideSelection set to False. I set the listview item forecolor to green and set the font to be bold. When the listview loses its focus, the listview item that was selected looses its color (goes back to default black), preserving its boldness. I want to keep the forecolor, even upon lost focus Is this a known bug?? Can anyone help?? Thx Iris Tag: Unable to add short key key to tab sheet in tab control Tag: 56056
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 - my form i wanna my my form like the shape i want Tag: Unable to add short key key to tab sheet in tab control Tag: 56052
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 - Embed Excel in Windows Form? You could embed excel in a VB6 form using an OLE container control. Is it possible in a VB.NET Windows form? Tag: Unable to add short key key to tab sheet in tab control Tag: 56049
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 - Picture box I have an application that draws an image from a number of points inside a picturebox.How can I capture the image drawn in the picturebox and save it as a file like: Bitmap.Save("image.jpg"); Thanks Tag: Unable to add short key key to tab sheet in tab control Tag: 56045
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 - tabcontrol backcolor Is there a simply way to avoid the standard "BackColor" of the TabControl? I mean, if you put on a form a TabControl with one TabPage. Set the BackColor of the form and of the TabPage to, say, Blue. You will still have the "tab zone" of the TabControl to be colored by SystemColor.Control Can we change that? Is there a property somewhere I missed? Do we have to do that manually using GDI methods? (if so, does somebody has some code or tricks?) Tag: Unable to add short key key to tab sheet in tab control Tag: 56043
 - 5
 - Cancelling current activity in progress indicator Hi all, in my application I want to implement a progress indicator which has 'Cancel' button allowing to interrupt the current activity. What is the best way to do such a thing? I'm considering the following variant: The progress indicator is created on demand on the separate thread and stored in the local memory of the thread that has initiated its creation ('initiating thread'). The progress indicator also stores a reference to the initiating thread. When a user clicks 'Cancel' button, a delegate is executed on the initiating thread that throws an exception, so that it can be handled somewhere on the initiating thread. The purpose of creating progress indicator on a separate thread is that it will be unable to handle windows messages (like clicking 'Cancel') if it is created on the initiating thread. Am I right or I'm reinventing the wheel and there is an easier way? I would prefer simpler design, but I'm not competent enough in WinForms to figure it out. Thanks in advance, Dmitry Tag: Unable to add short key key to tab sheet in tab control Tag: 56042
 - 6
 - Date Web Service Has anybody seen a web service that can check the date. I wish to use this as a simple shut down for a software product. Instead of checking the computer's date, which can be changed by the user, I could require an Internet connection and check the real date with a web service. A simple yet effective way to shut down a program. Anybody seen this web service? Derek Tag: Unable to add short key key to tab sheet in tab control Tag: 56037
 - 7
 - Rich Text Box Hi.. I am having a Rich Text Control in a Form. Whatever Text entered into the RichText, i want to save the Text along with Format. I want to display the Text again with same format using the saved Text and Format. How to do that?? Thanks and Regards Karuppasamy Natarajan Tag: Unable to add short key key to tab sheet in tab control Tag: 56035
 - 8
 - How to hide Icon on MDI Form? Is there a way to hide the Icon (and its placeholder) on a maximized MDI child form? Thanks! *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it! Tag: Unable to add short key key to tab sheet in tab control Tag: 56034
 - 9
 - Vertical Text on a Button any simple way to rotate the text on a button to a vertical orientation? specific examples would be most usefull. thanks, -andrew Tag: Unable to add short key key to tab sheet in tab control Tag: 56032
 - 10
 - Panel autoscroll position Can anyone help? Why do some controls reposition themselves to the correct position automatically when I scroll my panel. Others I have to manually reposition. In the If statement: control is to the left of the autoscroll position. The ElseIf: control is to the right of the autoscroll position. This works fine on all controls that do not reposition themselves automatically. They are all invisible before reposition. Could it have something to do with the ZOrder. I've tried bringing them to front first. 'move groupbox according to autoscrollposition of panel(pnlcategory). Public Function MoveGroupbox(ByRef pnl As Panel, ByVal grpbox As GroupBox) As Integer With grpbox If Math.Abs(pnl.AutoScrollPosition.X) > .Location.X Then .Location = New Point(0 + pnl.AutoScrollPosition.X - .Location.X, .Location.Y) ElseIf Math.Abs(pnl.AutoScrollPosition.X) < .Location.X Then .Location = New Point(0 + pnl.AutoScrollPosition.X + .Location.X, .Location.Y) End If End With Return grpbox.Location.X End Function Thanks , Daniel Jenkins Tag: Unable to add short key key to tab sheet in tab control Tag: 56028
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 - PropertyGrid Collections do not fire PropertyValueChanged Hi, I have a collection in an object that can be edited by a propertygrid. When the user edits properties the PropertyValueChanged event fires and I can mark my object as dirty (ie needs saving) but if the user edits a collection contained in the object the event doesnt fire. Whats the best way to get notifications if collection contents are changed? BM Tag: Unable to add short key key to tab sheet in tab control Tag: 56027
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 - How do I support MouseHover over different TreeNodes in one TreeView? I have a TreeView with more than one TreeNode. I would like to do something like set a ToolTip during a MouseHover event. Unfortunately, since TreeNodes don't generate events. The TreeView owns the MouseHover event, but it generates only one event per session of moving from TreeNode to TreeNode. I could move most of my logic into the MouseMove event, but I don't want to recalc everything everything on every MouseMove over the TreeView, as it could slow down the mouse motion. I greatly prefer the delay the MouseHover event gives me. Ideally, there would be a way that I can cause subsequent MouseHover events to be generated after a MouseMove event over a different node from the last MouseHover event. Is there something? Thanks, Eric EricP@ActiveState.com Tag: Unable to add short key key to tab sheet in tab control Tag: 56026
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 - Datagrid Index Out of Bounds Hi, I have a form with a datagrid that loads a modal dialog when the f3 button is clicked. A value from a read only datagrid in the modal dialog is double clicked, the modal dialog is closed and the value is returned to the main form's datagrid cell. This works fine but when I attempt to tab out of the cell, I get an index was outside the bounds of the array error, which is coming from the modal dialog. I have tried things such as setting currentrowindex but no success. Any ideas? Thanks in advance. Tag: Unable to add short key key to tab sheet in tab control Tag: 56023
 - 14
 - drag a menuitem? In XP, I can drag menu items (for example - I can drag an item on my Start Menu to the Desktop to create a shortcut for it). Can this action be accomplished in .NET? I want to be able to drag an item off of a ContextMenu. matt tag Tag: Unable to add short key key to tab sheet in tab control Tag: 56021
 - 15
 - DataGrid Does anyone know how to customize datagrid error messages. When I set AllowDBNull = false for a datacolumn in a datatable, the bound datagrid displays an unfriendly message for null columns, "Error when committing the row to the origianl data store ... Column '[x]' does not allow nulls. Do you want to correct the value?". Does anyone know how to customize that message, override it, or intercept and handle it via some event? Tag: Unable to add short key key to tab sheet in tab control Tag: 56020
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 - FIX: Regression in Dataset Serialization in Visual Studio .NET 1.1 When a DataRow Contains a RowError or a ColumnError Property Anybody knows where to download this fix? Microsoft Knowledge Base Article - 818587 http://support.microsoft.com/default.aspx?scid=kb;[LN];818587 Tag: Unable to add short key key to tab sheet in tab control Tag: 56017
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 - Force bound control to post value to DataSet? In my project, the previous author is trapping the SelectedIndexChanged event for a bound ComboBox control, and within that event handler, he's updating other items in the DataSet manually, which has the nefarious side effect of causing the bound control's value to be reset value to what it was before the user made a selection (and then it's SelectedIndexChanged event fires again). Is there an elegant way within the SelectedIndexChanged event for a bound ComboBox control to take the current selection in the control and post it to the DataSet? Assume: ds is the DataSet object dv has been assigned ds.Tables(0).DefaultView MyComboBox has been bound to "Column1" within dv Desired change to process: 1. User changes selection in MyComboBox control 2. MyComboBox_SelectedIndexChanged fires * Insert elegant way to update MyComboBox's bound item in DataSet * 3. DoOtherStuffWithSameDataSet called 4. Previous bound value is put back in MyComboBox 5. MyComboBox_SelectedIndexChanged refires Thanks! Tag: Unable to add short key key to tab sheet in tab control Tag: 56016
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 - GDI+ and Graphics.GetHdc errors I am having a huge problem with using the GetHdc method of various graphics objects in various user defined controls. I am constantly getting an 'invalid paramter used' error on my main thread in TOTALY RANDOM scenarios. I have been trying to debug this for weeks... Here is the scenario: 350+ clients running our application compiled in 1.1. Using 2 third party control libraries (where the error is always occuring). Various controls produce the problem in the simpelest of calls: IntPtr hDC = doubleBufferGraphic.GetHdc(); m.WParam = hDC; // Paint background first PaintBackground(hDC); // Call the ListView control to do its painting base.WndProc(ref m); The first line there is causing the error. The error seems to be completely hidden inside of the GetHdc call. I have never gotten the error on my machine. The error is HIGHLY random (almost never the same window or control causes it) and in no way reproducable. Error occures mostly on 98 machines, but we have reports on every single machine (we do automatic error feedback with stack traces and screen shots). I am thinking there is a problem with the video cards being used but I can't find any documentation on the video card requirements for gdi+. Has anyone else ever experienced anything like this at all or have ANY insite into the problem? Thanks -dec Tag: Unable to add short key key to tab sheet in tab control Tag: 56015
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 - Base's load event fires when inheriting form in design view I have a windows form in my class library that implements a load event. The load event calls the MessageBox.Show() method. I created a class that inherits that form programmatically. When I open the inheriting class in design view, the base load event fires and calls the MessageBox.Show(). I tried the "Add Inherited Form" wizard and it did the same thing. Is this normal? If so, is there a way of suppressing the load event at design time? Thank you for the support. Sincerely, Enrico Tag: Unable to add short key key to tab sheet in tab control Tag: 56014
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 - index of hash table Hi, How do I get the index of a specific key/value in a hash table? Hashtable ht = new Hashtable(); ht.Add("k1", "v1"); // ht[0] ht.Add("k2", "v2"); // ht[1] ht.Add("k3", "v3"); // ht[2] ht.Add("k4", "v4"); // ht[3] ht.Add("k5", "v5"); // ht[4] if(ht.ContainsKey("k2")){ // how do I get the index of "k2"? } Please help. Thanks. -CL Tag: Unable to add short key key to tab sheet in tab control Tag: 56008
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 - Datagrid.VisibleColumnCount on a tabControl failing. I am having trouble getting the datagrid.VisibleColumnCount property to return the correct value for datagrids that are on separate tabpages of a tabbed dialog. The first datagrid returns the correct value, yet the subsequent two other datagrids only return back 0. However if I place a break point on the line, place the mouse over the property it still returns 0, then if I expand the datagrid in the watch window and scroll down to the property it has the correct value in, if I then put the mouse back over the property it appears correctly. The bug is not down to a timing issue as if I wait for a minute or two the value still does not appear in the property, it only seems to get the right value when I expand and close the datagrid in the watch window. I have managed to get this to fail with even the most basic of code, is this a bug with .Net, or am I doing something really wrong? '-----------------------------------------------------------------------CODE ------------------------------------------------------------------- Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click populateGrid(dgEmployees, "select * from Employees") populateGrid(dgorders, "Select * from orders") populateGrid(dgCustomers, "Select * from customers") End Sub Private Sub populateGrid(ByVal dg As DataGrid, ByVal sSQL As String) Dim cnn As OleDbConnection Dim da As OleDbDataAdapter = New OleDbDataAdapter Dim dt As DataTable = New DataTable cnn = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Program Files\Microsoft Visual Studio\VB98\NWIND.MDB;User Id=admin;Password=;") cnn.Open() da.SelectCommand = New OleDbCommand(sSQL, cnn) da.Fill(dt) dg.DataSource = dt MsgBox(dg.VisibleColumnCount.ToString) End Sub Thanks for any help. Steve. Tag: Unable to add short key key to tab sheet in tab control Tag: 56007
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 - Multiple Forms - Modal I have the following code in VB6: (Form1) Private Sub Command1_Click() Form2.Show 1 End Sub (Form2) Private Sub Command1_Click() Form2.Hide End Sub What is the .NET equivalent of this in C#.NET or VB.NET Thank you in advance Ernie Tag: Unable to add short key key to tab sheet in tab control Tag: 56003
 - 23
 - state of a panel, form?? hello, i have got a panel with several controls in it, including a button which is disabled. I want to enable this button whenever, any of the controls inside the panel changes. e.g. someone has typed in the textbox, the datagrid has been edited,(a user edits or inserts a new cell) a checkbox is checked. Is there anyway to do this? Thanks, Doug Tag: Unable to add short key key to tab sheet in tab control Tag: 55997
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 - ACCESS over TCP/IP Anyone knows if it is possible to make a database connection over TCP/IP to an MS ACCESS database? If yes please give me an example or any documentation please. Best regards, Nuno Tag: Unable to add short key key to tab sheet in tab control Tag: 55994
 - 25
 - No Touch Deployment (licensed components) How do I deploy a smart client over a URL when the components are licensed? The license permits limited redistribution. Leon Tag: Unable to add short key key to tab sheet in tab control Tag: 55988

Hello,
I'm not able to add shortcut key to the tab sheet, which is a part of
default tab control. If I place a '&' in the text property of the tab sheet,
the ampersand chararter gets displayed in the tab sheet caption. If I add
another ampersand, the second one is not shown.
How do I add a shortcut key to the tab sheet.

Deepak Kashyap MJ

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