RichTextBoxFinds & StringComparison

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- Previous
  - 1
    - ColumnChanging event and boolean data type in Datagrid, BUG? Hello everyone, It's not getting better, the more I delve into it, the more frustrated I get. But it should be a simple thing, after all, all I'm trying to do is put some data validation code for a column of a table. To understand the problem more clearly I used 'Products' table of the Northwind databse. I made a simple form that shows all the column of the table. There is a 'bit' field in the table called 'Disontinued'. I wrote the following code to incorporate some 'business logic' in the ColumnChanging event for the table. --------------------------- if (e.Column.ColumnName == "Discontinued" && (bool)e.ProposedValue) { if ((short)e.Row["UnitsInStock"] >= 0) throw new Exception("You can not discontinue this product"); } ---------------------------- Several things happen when I try to do the change in the datagrid some of which are more severe than others. When I 'tick' the corresponding field with a mouse and istead of taking the mouse focus from the field press 'tab' to take the input focus somewhere else, the whole thing crashes. Am I supposed to handle the exception that I threw? Apparently not! When I use the mouse to take the focus somewhere else, a message is shown with my exception and the grid behaves properly. Again, when I use mouse to go to another row on the same column (i.e. Discontinued), the grid behaves exactly the way I want, the column gets reset to its original 'unticked' state after I answer 'No' to the question asked by the grid. But if I click on some other column on the same row or in another row and give the same 'No' answer to the same question, the column value does not get reset, it takes the newly 'ticked' state, even though I threw the exception. Did anyone experience similar kind of problem? I would really appreciate if someone answers me. Thanks in advance. Tag: RichTextBoxFinds & StringComparison Tag: 95347
  - 2
    - IE explorer bar? Hi all. Doe anyone knows where to start with development of explorer bar plug-in for IE? The one like kikoz bar (www.kikoz.com) or netfav bar (www.netfav.com). Any articles or links? Thanks!! Tag: RichTextBoxFinds & StringComparison Tag: 95346
  - 3
    - Dataset Merge Issues When marshalling changes into a dataset and calling the update on this dataset, you want to merge the result back into the orginal dataset. This appears not to work when you modify any of the Primary Key columns (please no lectures on modifying the primary key :-) ). By not working, I mean I get duplicate rows. When I do not modify the PK, I do not get duplicate rows. The below are two sets of results from tracing through a modification of tblPackageProduct. The first four columns make up the primary key. By looking at the original and current values of the first set, you can see the Original values are different so that should explain that. However, on the 2nd second set of results there is no reason the changes dataset and original dataset should not merge correctly (no duplicates). The only explanation I can come up with is dataset merge will not work when the PK is modified -- even if the values match up perfectly. Can anyone explain this? I thought a solution might be to drop the PK before marshalling the changes of the dataset and then reestablishing them after the merge and accept changes. This way I could verify the PK is a factor or not. I could not test test this since tblPackageProduct.PrimaryKey.Clear while hopeful did not work for me. Bill (see results below) ************************************************* (again 1st four columns make up the PK) tblPackageProduct (original dataset) (after modifications) Original: 284 -- GRAD -- 10x14 -- 40 -- 1 -- 1 -- 0 -- False -- Modified Current: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False â?? Modified tblPackageProduct (dsChanges) (before update is called on dsChanges) Original: 284 -- GRAD -- 10x14 -- 40 -- 1 -- 1 -- 0 -- False -- Modified Current: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False â?? Modified tblPackageProduct (original dataset) (after update is called on dsChanges and merge) Original: 284 -- GRAD -- 10x14 -- 40 -- 1 -- 1 -- 0 -- False -- Modified Current: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False -- Modified Original: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False -- Unchanged Current: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False â?? Unchanged tblPackageProduct (original dataset) (after accept changes) Original: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False -- Unchanged Current: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False -- Unchanged Original: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False -- Unchanged Current: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False â?? Unchanged *************************************************** This time I set the datadapter to skip Update Status of the current row by setting e.Status = UpdateStatus.SkipCurrentRow in the SqlRowUpdatedEventHandler. tblPackageProduct (original dataset) (after modifications) Original: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False -- Modified Current: 284 -- GRAD -- 4x6 -- 30 -- 4 -- 1 -- 0 -- False -- Modified tblPackageProduct (dsChanges) (before update is called on dsChanges) Original: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False -- Modified Current: 284 -- GRAD -- 4x6 -- 30 -- 4 -- 1 -- 0 -- False -- Modified tblPackageProduct (original dataset) (after update is called on dsChanges and merge) Original: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False -- Modified Current: 284 -- GRAD -- 4x6 -- 30 -- 4 -- 1 -- 0 -- False -- Modified Original: 284 -- GRAD -- 4Wall -- 22 -- 4 -- 4 -- 0 -- False -- Modified Current: 284 -- GRAD -- 4x6 -- 30 -- 4 -- 1 -- 0 -- False â?? Modified tblPackageProduct (original dataset) (after update is called on dsChanges and merge) Original: 284 -- GRAD -- 4x6 -- 30 -- 4 -- 1 -- 0 -- False -- Unchanged Current: 284 -- GRAD -- 4x6 -- 30 -- 4 -- 1 -- 0 -- False -- Unchanged Original: 284 -- GRAD -- 4x6 -- 30 -- 4 -- 1 -- 0 -- False -- Unchanged Current: 284 -- GRAD -- 4x6 -- 30 -- 4 -- 1 -- 0 -- False -- Unchanged Tag: RichTextBoxFinds & StringComparison Tag: 95341
  - 4
    - Multiplied MdiChild caption entry while restoring MdiParent from SysTry Hi All! My MDI application can be minimized easily to system try with use of NotifyIcon but I encounter two strange problems. Wrong caption settings is subject of this message. Problem description: when I do restore main form (MdiParent) to its original state through one of NotifyIcon events, setting Visible property to true and last non minimized WindowState causes form to restore properly, however, on the caption there are multiple entries for the only existing MdiChild i.e.: "MdiParent Text" - ["MdiChild Text"] ["MdiChild Text"] ["MdiChild Text"] Obviously it's very easy to correct this by setting right text in MdiParent and clearing MdiChild text every it's needed, however, this breaks handling of MdiChild Text property in menus and many other places. This problem or bug occurs only in .NET v1.1 while .NET v2.0 works fine. Unfortunately I have to support old runtime for some time in future, as many of our customers will not move to .NET v2.0 very fast. Googling in the whole net for several hours was fruitless so my only hope remains currently with You. Any ideas or workarounds? Cheers Jacek Tag: RichTextBoxFinds & StringComparison Tag: 95340
  - 5
    - webbrowser synchronous navigate We are using the webbrowser control, and we need to synchronously load a page. I don't see anything that does that. Is there any kind of cues for me to be able to do that or some function I'm missing? Basically we're writing out a temporary file (pdf) and then having it displayed in the browser. And then when a particular method is called, we want to unload this file and delete it. I'm calling navigate to "about:blank" but it doesn't seem to happen immediately so the delete call on the file is failing because it's still in use. Anybody know of how I should go about this? Lance Johnson Tag: RichTextBoxFinds & StringComparison Tag: 95339
  - 6
    - Low level programing issue Hi, I have to make a windows based program that can interect with a networking device its a home made device. I m going to develop this application in .Net . kindly guid me from where i can strat it. the device is accessable form dos i m basically wants to make a GUI of it kindly help me out. Thanks. Regards Noorali Tag: RichTextBoxFinds & StringComparison Tag: 95338
  - 7
    - Mdi child problem Hi, I am working with VS2003 C# I am trying to open mdi child form over mdi parent, but when i open the child he open larger then his real size. what can i do to open it in his real size and in his real position all the controlls in the child Form are largest from my design form. In the parent form i see a child form with largest controls (controls of the child). Thanks, Yossi Tag: RichTextBoxFinds & StringComparison Tag: 95334
  - 8
    - Setting BackColor of sub items in a list view. Hi, I have a listview in the Details mode. I want to set the back color of sub items. Is this possible and how? Sinex Tag: RichTextBoxFinds & StringComparison Tag: 95333
  - 9
    - Modal Forms Hi Everyone, I am working in VB.NET, Framework v.1.0. I have tons of forms in my application. I have a situation, where a form starts another form as a Modal Dialog. The Modal Dialog then possibly starts another form as Modal Dialog. Thus, if the main form is frmMain, and the other two forms are frmOne and frmTwo, then frmMain calls frmOne.ShowDialog(me) and frmOne calls frmTwo.ShowDialog(me). My problem is that when frmTwo is closed or hidden, frmOne also closes or hides. I would like to prevent this from happening. I tried setting the forms TopMost. I tried using the SetWindowsPos API call to mess with the Z-Order of the forms. I tried to just use the frm.Show() method and attempt to emulate a Modal dialog with trickery. Nothing seems to quite accomplish what I am trying to do. Can someone please help? Thanks, dmitry Tag: RichTextBoxFinds & StringComparison Tag: 95332
  - 10
    - how to change the border color of panel or groupbox ??? hello . I'm using VS2003. Now I want to change the border color of the panel or groupbox controls. Who can help me!! Hurry up !!!!!!!!!! Tag: RichTextBoxFinds & StringComparison Tag: 95331
  - 11
    - Data Disappearing From DataGrid Cell Using .Net 2002, Framework 1.0, and a DataGrid whose DataSource is a DataTable in a DataSet. I add one row by keying in some data in a column: normal behavior. At this point I do not call DataAdapter.Update because I have a second row to enter. I tab to a new row in the grid. In the new row, I also key in some data in the same column; when I tab out of that column the keyed data disappears and the cursor remains in the original column. I have confirmed that none of my own event handlers are firing. Any help would be most appreciated. TC Tag: RichTextBoxFinds & StringComparison Tag: 95328
  - 12
    - How to tell if a form is covered, or entirely visible ? Is this possible from VB.NET ? If not how about interoping Windows ? Tag: RichTextBoxFinds & StringComparison Tag: 95324
  - 13
    - Where is 'TooltiipText'? in VB6 - if I had a textbox that included text which was longer than the actual box - I could easily, as the box was populated, add something like: txtOne.ToolTipText=(same as text) However, I can't find anything in Intellisense that is or resembles something that I can use for this - - What am I missing? Tag: RichTextBoxFinds & StringComparison Tag: 95321
  - 14
    - More Treeview questions when I add nodes (child nodes) to a treeview: .Nodes.Add(cdl.FileName, ShowingText) the first item shows as the 'key', like it was in VB6 - - - However, when I want to refer to that key, I can't find anything in Intellisense for that like : txtPath.text=TV1.SelectedNode. - - here's where I would have thought there would have been a 'key' in the Intellisense - but it isn't so how is it done? Tag: RichTextBoxFinds & StringComparison Tag: 95320
  - 15
    - Need code / hints to do "masked" currency input Hi everyone, I need code to do a simple masked textbox entry for input of currency. The requirements are... 1) Should support localization, 2) Should reject invalid keystrokes on a keystroke by keystroke basis, 3) Should reject valid keystrokes that result in an invalid currency value (input of " $2.345" USD for example) Nice to have would be... 4) Min / Max values 5) ability to input fractional cents / pesos etc. if desired I can't seem to find this anyplace. I've found this type of functionality in some of the third pary control suites, but I don't need anything as complex / expensive as these look. If I have to write it myself, I'm open to sugestions as to how I can do this and still use the .Net localization features. My current thought is to... 1) Make a custom textbox class that has a static string value that contains a regex pattern that each keystroke should match. The pattern to match will be determined by examining CultureInfo.CurrentCulture.NumberFormat.CurrencyDecimalDigits and CurrencyDecimalSeparator. I'm hoping the total number of regex patterns is pretty small ( I only know of decimal and non-decimal currencies overall, and only "." and "," as decimal separators - that only gives me four total patterns if I don't consider fractional inputs) Plus I can always build my regex pattern dynamically). 2) Validate the input string against the regex pattern on each keystroke. "handle" any keystrokes that break the regex. Any help is appreciated. BBM Tag: RichTextBoxFinds & StringComparison Tag: 95314
  - 16
    - VS .NET 2003 - Cannot create items in Enterprise Framework projects VS .NET 2003 Hello everyone, I have made a few templates for all sorts of items (forms, usercontrols, components...) and added them so I can pick them up from Project\Add\Add New Item... menu. I have also made some changes to DAP.TDL and VSIDE.tdl policy files. Everything was fine until yesterday when I have tried to change one add-in that adds a few items automatically from templates. I do not really know what went wrong but now I cannot add any item to Enterprise framework projects. I can only add a DataSet in simple windows project. for example, when I try to add a form to project I get message: "Could not run the 'C:\Program Files\Microsoft Visual Studio .NET 2003\VC#\CSharpProjectItems\LocalProjectItems\..\CSharpAddWinFormWiz.vsz' wizard." I would appreciate any clue. TIA, Vlado Tag: RichTextBoxFinds & StringComparison Tag: 95313
  - 17
    - Panels design I have following situation: On the righthand side of the form i have navbar and panel to the right. Content of the panel is supposed to be different according to what user chooses in the navbar. How to do that at the moment of design. How am I creating another panel with different content at the same place as the previous one , what do I do with the previous content. Hide it?? I know that later i use the visibility option to dispay certain panels. But how to acreate all of them at the same place in the designer?? Tag: RichTextBoxFinds & StringComparison Tag: 95312
  - 18
    - Listen event on the different thread and update data on the UI thread Hi, Sorry for the long class. This time I am sending you much cleaner code. Could you please respond me back, about "how to apply the threading", taking the example of following scenario . namespace ThreadingTest { public class Class1 { public event EventHandler raiseResponse; //Event through which I can send the received data DataFeeder instDataFeeder = new DataFeeder(); //Object created for the datafeeder component. //Constructor public Class1 { //CustomEventHandler is the delegate to handle ResponseData event from the DataFeeder component instDataFeeder.ResponseData += new CustomEventHandler(InstDataFeeder_ResponseData); } public void RequestData() { instDataFeeder.RequestDataFromRemoteServer(); } public void InstDataFeeder_ResponseData(NewDataStructure newData) // NewDataStructure contains multiple rows of data at the same time { //we receive this event really really really fast and I was thinking of putting this event on the separate thread. //Fill Datatable viz. dataTable1 from newData and then raise event If(raiseResponse != null) raiseResponse(dataTable1,EventArgs.Empty); // Sending the datatable in sender to avoid creating a custom class for event argument. } } //In the following usercontrol we need to bind the data received from our own event -- raiseResponse public class GridControl : System.Windows.Forms.UserControl { private DataGrid dataGrid1 = new DataGrid(); Class1 instClass1 = new Class1(); DataTable dt = new DataTable() ; //It has some of the same columns received from the other class, Not creating the full structure for the table. //Constructor public GridControl () { instClass1. raiseResponse += new EventHandler(instClass1_raiseResponse); dataGrid1.DataSource = dt; } public void instClass1_raiseResponse(object sender,EventArgs e) { //If the data is coming up very fast then there will be problem updating the UI and UI will freeze. dataGrid1.SuspendLayout() DataTable dt = (DataTable) sender; // I think assigning to the datatable will update the datagrid. dataGrid1.ResumeLayout() } } } Please help. Regards, Rajat. Tag: RichTextBoxFinds & StringComparison Tag: 95305
  - 19
    - Validation Control issue Hi, i'm developing website in .Net i used validation controls all over the site they all are working fine here Localy but not working after uploading them to web server. i uploaded my site at www.7host.com kindly guid me about this Regards Noorali Tag: RichTextBoxFinds & StringComparison Tag: 95304
  - 20
    - Mdi child form Hi, i am trying to open mdi child form over mdi parent, but when i open the child he open larger then his real size. what can i do to open it in his real size and in his real position. Thanks, Yossi Tag: RichTextBoxFinds & StringComparison Tag: 95293
  - 21
    - WebBrowser.DocumentText problem Dear all, I have added WebBrowser control in my program to display some message. I assign text that I want to display to WebBrowser control by using DocumentText property. Everything fine when I first assign the value but there is nothing change when I try to assign another value to display again. I've called Refresh() method but nothing display after the method is involve. What should I do if I want the WebBrowser to display dynamic html text that is generated from my program to display in WebBrowser control not only in first assign value? Thanks, Teeravee Sirinapasawasdee Tag: RichTextBoxFinds & StringComparison Tag: 95289
  - 22
    - Framework 1.1 /2.0 Controls Hosted in Internet Explorer Hi All, I have a windows forms controls hosted in IE via the object tag method. The control was built to run on 1.1 of the framework and works fine whilst version 2.0 is not installed on the machine. When version 2 is installed the executables are downloaded to the 2.0 temporary directory, even though the assemblies where build under 1.1 and are referencing the 1.1 framework. That is, when 2.0 is installed they are downloaded to Documents & Settings\<CurrentUser>\Local Settings\Application Data\assembly\dll3 instead of Documents & Settings\<CurrentUser>\Local Settings\Application Data\assembly\dll2. Could anyone tell me if there is a setting to force IE to use the 1.1 temp download cache? Or is it another assembly setting? TIA Tag: RichTextBoxFinds & StringComparison Tag: 95288
  - 23
    - DataGrid View Paging Hi, May I know any VS 2005 data component that support paging? Why Asp.Net got a paging function but not Windows? How do we implement paging for DataGrid for WindowsForms. Best regards, Goh Tag: RichTextBoxFinds & StringComparison Tag: 95287
  - 24
    - VS2005 - UI can't load or find the DAL - What's up with that? Hello, Why can't my application recognize or find the data layer. These are the design-time and runtime errors I receive. \\ "One or more errors encountered while loading the designer. The errors are listed below. Some errors can be fixed by rebuilding your project, while others may require code changes. The system cannot find the file specified. (Exception from HRESULT: 0x80070002)" // In the Error list it appears this way \\ "Could not load file or assembly 'QmsDataLayer.dll' or one of its dependencies. The system cannot find the file specified." // The dll is there. I have been using it all night. I made no changes to it. Now I get this error. I've rebuilt, closed, reopened. It is still located where it should be. However, If follow the following three steps the form and code will run again... for a while. 1.) I comment out this button code... \\ Protected Overrides Sub btnOK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOK.Click If _bAlreadyRun Then 'do nothing 'This is not needed because we close the form before that can happen Else 'Save to Quote table InsertIntoQuote() 'Save to Version table 'UpdateDatasourceTable(_dataSet1.tbl010Quote) insertIntoVersion() 'Update the database 'UpdateDatasourceTable(_dataSet1.tbl020Version) _bAlreadyRun = True End If Me.Close() End Sub // 2.) I close all the code and forms 3.) I rebuild, close the IDE, and reopen. Then it will run a few more times... then I will get an error again. What is going on? Any thoughts or suggestions? Thank you, dbuchanan Tag: RichTextBoxFinds & StringComparison Tag: 95282
  - 25
    - vs2005 - "given assembly name or codebase was invalid" error Hello, Why am I getting this error? I don't know how to isolate it. It occurs intermittently. Has anyone seen this before? Here is the full text \\ System.IO.FileLoadException was unhandled Message="The given assembly name or codebase was invalid. (Exception from HRESULT: 0x80131047)" Source="QmsUI" StackTrace: at QmsUI.NewQuote.InsertIntoQuote() at QmsUI.NewQuote.btnOK_Click(Object sender, EventArgs e) in D:\DBuchanan MyDocuments\Visual Studio 2005\Projects\Qms_01\QmsUI\NewQuote.vb:line 15 at System.EventHandler.Invoke(Object sender, EventArgs e) at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData) at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.Run(ApplicationContext context) at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun() at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel() at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(String[] commandLine) at QmsUI.My.MyApplication.Main(String[] Args) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 81 at System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() // Any suggestions for the causes or what it means dbuchanan Tag: RichTextBoxFinds & StringComparison Tag: 95281
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  - 1
    - vs2005 - 'The event Click is read-only and cannot be changed' - What? Hello, What does this error mean? "The event click is read-only and cannot be changed" This is a design-time error. It is displayed instead of the form. Here is the full text \\ "One or more errors encountered while loading the designer. The errors are listed below. Some errors can be fixed by rebuilding your project, while others may require code changes. The event click is read-only and cannot be changed at System.ComponentModel.Design.EventBindingService.EventPropertyDescriptor.SetValue(Object component, Object value) at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeAttachEventStatement(IDesignerSerializationManager manager, CodeAttachEventStatement statement) at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeStatement(IDesignerSerializationManager manager, CodeStatement statement) // I have made it go away by commenting out the following code. Then I rebuild, close and reopen the solution. (This is used within an inherited form thus the Overrides.) \\ Protected Overrides Sub btnOK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOK.Click 'Save to Quote table InsertIntoQuote() 'UpdateDatasourceTable(_dataSet1.tbl010Quote) 'Save to Version table insertIntoVersion() 'UpdateDatasourceTable(_dataSet1.tbl020Version) Me.Close() End Sub // What is the problem? dbuchanan Tag: RichTextBoxFinds & StringComparison Tag: 95280
  - 2
    - Determining length of a string in pixels I am drawing text on a screen using graphicsObject.DrawString(). Prior to doing this I need to determine the length in pixels that the string will be when it is rendered. I know I've read this before but can not find it now that I need it. Also - is there a simple way to center the text within a rectangel? And - Thanks for your responses I really appreciate it! Tag: RichTextBoxFinds & StringComparison Tag: 95275
  - 3
    - MVC delegate problem... In order to become more familiar with the Model-View-Controller pattern, I have written a demo where each View is a plugin and the plugins are loaded at startup from the plugins directory. When the View's are loaded they add themselves to the DataModel View list... FDataModel.AddView(this); Where AddView looks like this... public void AddView( MvcView view ) { ViewChanged += new ViewChangedHandler(view.DataModified); } and at the right time I invoke the event list via... ViewChanged(this, e); This all works fine as long as I only have 1 instance of each type of view. So in this case I have a Pie Chart View and Bar Chart view of the data ( as well as the usual DataGrid view all as plugins ). Then the delegates correctly fire and everything works as advertised. The problem arises if I instantiate a second instance of say the Bar Chart. When that happens the first Bar Chart stops responding/refreshing while the second Bar Chart updates correctly. Can any C# pattern gurus shed some light on what I might have overlooked? Tag: RichTextBoxFinds & StringComparison Tag: 95274
  - 4
    - RichTextBox - Sending "zoomed" output to bitmap I have code that allows me to basically write the contents of a richtextbox to a bitmap (code below). This code works fine, but it always draws the text "normal size" regardless of the setting of ZoomFactor. How can I get the "zoomed" verison of the text into a bitmap? Thanks in advance! ------------------------------------------------------------------------------------------------------------------------------------- [ StructLayout( LayoutKind.Sequential )] private struct STRUCT_RECT { public Int32 left; public Int32 top; public Int32 right; public Int32 bottom; } [ StructLayout( LayoutKind.Sequential )] private struct STRUCT_CHARRANGE { public Int32 cpMin; public Int32 cpMax; } [ StructLayout( LayoutKind.Sequential )] private struct STRUCT_FORMATRANGE { public IntPtr hdc; public IntPtr hdcTarget; public STRUCT_RECT rc; public STRUCT_RECT rcPage; public STRUCT_CHARRANGE chrg; } [DllImport("user32.dll")] private static extern Int32 SendMessage(IntPtr hWnd, Int32 msg, Int32 wParam, IntPtr lParam); [DllImport("user32.dll")] private static extern Int32 SendMessageA(IntPtr hWnd, Int32 msg, Int32 wParam, Int32 lParam); // Windows Messages defines private const Int32 WM_USER = 0x400; private const Int32 EM_FORMATRANGE = WM_USER+57; private const Int32 EM_GETEVENTMASK = WM_USER+59; private const Int32 EM_REQUESTRESIZE = WM_USER+65; private const Int32 EM_SETEVENTMASK = WM_USER+69; private const Int32 ENM_REQUESTRESIZE = 0x40000; /// <summary> /// Render the RTF to a bitmap. /// </summary> /// <param name="measureOnly">If true, only the calculation is performed, /// otherwise the text is rendered as well</param> /// <param name="g">Graphics object to render onto</param> /// <returns>(Index of last character that fit) + 1</returns> private int RTFToImage(bool measureOnly, Graphics g) { // Specify which characters to print STRUCT_CHARRANGE cr; cr.cpMin = 0; cr.cpMax = -1; // Specify the area inside page margins STRUCT_RECT rc; rc.top = PixelsToTwips(0, g.DpiX); rc.bottom = PixelsToTwips((int)g.VisibleClipBounds.Height, g.DpiX); rc.left = PixelsToTwips(0, g.DpiX); rc.right = PixelsToTwips((int)g.VisibleClipBounds.Width, g.DpiX); // Specify the page area STRUCT_RECT rcPage; rcPage.top = PixelsToTwips(0, g.DpiX); rcPage.bottom = PixelsToTwips((int)g.VisibleClipBounds.Height, g.DpiX); rcPage.left = PixelsToTwips(0, g.DpiX); rcPage.right = PixelsToTwips((int)g.VisibleClipBounds.Width, g.DpiX); // Get device context of output device IntPtr hdc = g.GetHdc(); // Fill in the FORMATRANGE struct STRUCT_FORMATRANGE fr; fr.chrg = cr; fr.hdc = hdc; fr.hdcTarget = hdc; fr.rc = rc; fr.rcPage = rcPage; // Non-Zero wParam means render, Zero means measure Int32 wParam = (measureOnly ? 0 : 1); // Allocate memory for the FORMATRANGE struct and // copy the contents of our struct to this memory IntPtr lParam = Marshal.AllocCoTaskMem( Marshal.SizeOf( fr ) ); Marshal.StructureToPtr(fr, lParam, false); // Send the actual Win32 message int res = SendMessage(Handle, EM_FORMATRANGE, wParam, lParam); // Free allocated memory Marshal.FreeCoTaskMem(lParam); // and release the device context g.ReleaseHdc(hdc); return res; } /// <summary> /// Convert between 1/100 inch (unit used by the .NET framework) /// and twips (1/1440 inch, used by Win32 API calls) /// </summary> /// <param name="n">Value in 1/100 inch</param> /// <returns>Value in twips</returns> private Int32 HundredthInchToTwips(int n) { return (Int32)(n*14.4); } private Int32 PixelsToTwips(int n, float dpi) { return (Int32)(((float)n/dpi)*1440.0f); } Tag: RichTextBoxFinds & StringComparison Tag: 95273
  - 5
    - An unhandled exception of type 'System.ArithmeticException' occurred in system.drawing.dll I had to reinstall Visual Studio.NET 2003 and ever since then I get this error whenever my application tries to open a WindowsForm. Even the simplest project with nothing more than a WindowsForm and a single button and no custom code at all. An unhandled exception of type 'System.ArithmeticException' occured in system.drawing.dll Additional information: Overflow or underflow in the arithmetic operation. I never had this problem before... Is there something in my environment that I need to set? ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= East/West-Coast Server Farms - Total Privacy via Encryption =--- Tag: RichTextBoxFinds & StringComparison Tag: 95266
  - 6
    - Treeview add node as Child with VB6 - to add a node as a child, to a specific node, I'd do something like: Tv1.Nodes.Add(Nodes.Add tv1.SelectedItem.Key, tvwChild, newKey, NewName tv1.SelectedItem.Key was the Parent node - But - as I'm trying to add something in, using VS.Net 2005 (skipped here straight from vb6), the hints aren't giving me the same options - Relative (1st item), and Relationship (2nd option) are not even available.... where can I find info on how to do this in VS.Net 2005? Tag: RichTextBoxFinds & StringComparison Tag: 95265
  - 7
    - FTP using Vb.Net2005 I want to get a file from a FTP server. How do I do it using vb.net 2005. Please give me an example. Please Help. Thanks, Green Tag: RichTextBoxFinds & StringComparison Tag: 95263
  - 8
    - ComboBox.SelectedIndex behavior I am using a combobox in an application that is databound to a datatable. The visible item in the combobox corresponds to the job classification of an employee: accountant, manager, etc. Due to data entry errors, some employees do not have a classification in the db. For these entries, I want the combobox to display nothing. I accomplish this by setting the combobox's selectedIndex property to -1. In doing so, I encountered some interesting behavior. setting SelectedIndex = -1 always sets the SelectedIndex to 0, UNLESS the SelectedIndex is already 0 or -1. (example) myComboBox.SelectedIndex = -1; produces a SelectedIndex of 0. myComboBox.SelectedIndex = -1; myComboBox.SelectedIndex = -1; or myComboBox.SelectedIndex = -0; myComboBox.SelectedIndex = -1; produces a SelectedIndex of -1. Is this the expected behavior of this control, or is this a bug in the control? I'm using VS.NET 2003 and .NET 1.1. Thank you, John Kraft Tag: RichTextBoxFinds & StringComparison Tag: 95253
  - 9
    - Making UltraTreeNode in-place editable after adding it to the tree at run time Hi, I am an UltraTreeNode to Ultra at runtime. I want the control to be in-place editable after adding it so that user can change the name. The behaviour I am expecting is something like creating a new folder in windows. When a new folder is created, the name is in-place editable. Same has to be with adding node. Can anyone help me in this regard? Thanks in advance Kiran Tag: RichTextBoxFinds & StringComparison Tag: 95252
  - 10
    - How to specify new DataRow as selected row in sorted DataGrid I'm using c#, my DataTable is the datasource for a DataGrid, and the key in the DataTable, "ID" column, is an autoincrement number The Datagrid is not editable, data is added to the DataTable programatically. When I add a new DataRow to a DataTable using: dr =DataTable.NewRow(); ..code to fill the row.. dataAdapter.Update(DataTable); I can get the ID of the new DataRow using @@IDENTITY as shown in the post "Getting Autoincrement ID in ADO.NET". How do I make the newly added DataRow the selected row in the DataGrid, which may be sorted? Tag: RichTextBoxFinds & StringComparison Tag: 95251
  - 11
    - Want a multi-line row in DataGridView Greetings, I am working on a ledger-style display using the DataGridView. I have found a couple of ridiculously complicated ways that I can display a second-line of information (all from the same DataRow) in the DataGridView, but I was wondering what the recommended approach for this is. The DGV is supposedly far more configurable than its WinForms 1.1 predecessor, but lately I'm finding that I'm going to have to write almost as much hacking code for the DGV as I did for the DataGrid. Does anyone have a sample of a way in which I can display 2 lines of data in a DataGridView? My first approach was to create custom columns that had a cell type that displayed two lines of data, but I wasn't sure how to get that to work well within edit mode and read mode, etc. Any help would be greatly appreciated. Thanks, Kevin Tag: RichTextBoxFinds & StringComparison Tag: 95248
  - 12
    - How can I make DataGridView retrieve the table structure from DAL or BLL for design? How can I make DataGridView retrieve the table structure from DAL or BLL for design? Tag: RichTextBoxFinds & StringComparison Tag: 95247
  - 13
    - windows user controls I ve created my own control(containing tabcontrol) and added it to the panel. How to access now that tabcontrol and add tha tabpages in the constructor of my mainform??? Tag: RichTextBoxFinds & StringComparison Tag: 95246
  - 14
    - ClickOnce settings disappear I have deployed my application with ClickOnce, and it works fine. There are a couple of user settings that the user is allowed to change through a settings form. Also works fine. BUT, when I did the most recent deploy all user settings were erased and set back to their default values. NOT FINE! I quote from the blog on: http://blogs.msdn.com/rprabhu/articles/433979.aspx "Q: Okay, but how do I know when to call Upgrade? A: Good question. In Clickonce, when you install a new version of your application, ApplicationSettingsBase will detect it and automatically upgrade settings for you at the point settings are loaded. In non-Clickonce cases, there is no automatic upgrade - you have to call Upgrade yourself. ....." So, normally the sepcified user settings should be upgraded automatically, and I am pretty sure I got that behaviour before. What can I possible have done? How can I get it back? Tag: RichTextBoxFinds & StringComparison Tag: 95245
  - 15
    - Controls on multiple tabs Is there a way to mirror a control onto multiple tabs? Have 1 listview displayed on 2 tabs or 1 textbox displayed on 2 tabs but function as 1? Thank you in advance. Tag: RichTextBoxFinds & StringComparison Tag: 95241
  - 16
    - C# class design Is it possible to design a class in C# which should be not be re-entrant. eg if Thread1 is calling any function on the object of that class then the same thread should not allowed to call another function on the same object untill the first call is finished. Tag: RichTextBoxFinds & StringComparison Tag: 95238
  - 17
    - Validation controls are not working hi, I'm developing a website using .net faramework version 1.1 the issue i'm facing is I put validation controls on my pages they all are working fine here localy but when i upload them on webserver they all stop working , I hosted my site at www.7host.com I dont understand what is the issue. Kindly help me out Regards Noorali Tag: RichTextBoxFinds & StringComparison Tag: 95234
  - 18
    - Maximize and resize Windows Dear all, I am a newby of .NET programming and I have a general question. If I put some controls on a windows form (say with size 300,400), when I resize the Window (enlarging it) or if I Maximize it, the controls remain in the top left corner in the rectangle 300,400 making the whole form look very bad. If I resize Notepad, the multiline textbox within resizes too... I'd like my applications do the same. Are there techniques, articles, tutorials or something like that, that can explain me how to handle this? Thanks in advance. JC Tag: RichTextBoxFinds & StringComparison Tag: 95232
  - 19
    - FormView / GridView Connection If someone could help... My goal is to attach a FormView control to a GridView control such that clicking the Select link on a record in the GridView will cause that record to be displayed in the FormView control. So far I've got the GridView displaying all the correct records, and the FormView populating on the page's initial load. The FormView has its own data source - it points to the same table the GridView uses, but has a 'where' clause that refers back to the GridView control on two fields. The datasource has default values for those two fields, and the data that is displayed on the initial page load reflects the record whose keys equal the default values. So far, so good. When I click another line's Select link, the page repaints, but the FormView control is empty. Viewing the source I can see its skeleton, but no content. I've breakpointed at the control's PreRender function, and the DataItem is populated on the initial page load, but is null on the postback. I'm sure I'm missing something fairly basic. Can I get a point in the right direction? Thanks, Ben -- bf001removethis@abovetheline.biz Tag: RichTextBoxFinds & StringComparison Tag: 95231
  - 20
    - Problem creating controls from other thread w/ invoke Hi, I have a form which acts as monitor for a service. The form and the monitor communicate via remoting. Because it takes some time for the service to startup some controls are added to the form when a certain event is raised by the service. However, when handling this event I do the following: --------- snip --------- private void EventProxy_Initialized(object sender, EventArgs e) { MethodInvoker invoker = new MethodInvoker(this.CreateCommunicatorControls); this.Invoke(invoker); } private void CreateCommunicatorControls() { // create controls and add them to a panel on the form this.panelCommunicator.Controls.Add(newCommCtrl); [...] } --------- snip --------- The panel on the form is created from the main UI thread of the form., but I still get the exception "Controls created on one thread cannot be parented to controls on a different thread" when adding the new control to the panel. Does anybody know what the problem is? Regards, Michael Tag: RichTextBoxFinds & StringComparison Tag: 95226
  - 21
    - Getting the list of colors! Hi, I want to retrieve the list of Colors available and display them in a drop down combo. But the Color strcture doesnt seem to have a method that returns the list of colors. Is there an enumerator that I can use? Sinex Tag: RichTextBoxFinds & StringComparison Tag: 95217
  - 22
    - How to show transparaent label in window forms Hi, I try to add a label to a windows form, but as background is image, the label need to be transparent, but it seems no transparent property available, I found a one in web tab, but it does not work. Help Thanks Jessie Tag: RichTextBoxFinds & StringComparison Tag: 95213
  - 23
    - How to show fields from related tables in same datagrid I run VS .Net 2003. I have a distributed application with sql server 2000 and windows front end, written in c#. I have a number of tables in a dataset with relations between them. In one single read-only datagrid I would like to display child rows from a child table as well as one column from the parent table. How can I fix this in an easy way? I thought I could handle this via dataviews and dataviewmanager as source for the datagrid, but I have not found any good article. I need a detailed explanation as I am a novice on this. I realize I could produce a new table on the windows client from the two related tables, but as I consider the data structure to be well designed this is not what I would like to do. Regards Tore Tag: RichTextBoxFinds & StringComparison Tag: 95208
  - 24
    - How to draw a 1 pixel long line using Graphics.DrawLine? I am writing a Windows Forms application graphing routine using VS.NET 2003, Visual C# and .NET Framework 1.1. The Graphics.DrawLine(Pen,int,int,int,int) method seems to work okay unless the desired line being drawn is only one pixel long (horizontally). I have not found a way to get a horizontal line of only one pixel to be drawn. I either get no line or a two pixel line. Example method calls: Graphics.DrawLine( Pen, 20, 50, 21, 50 ); // Results in two pixel long line. Graphics.DrawLine( Pen, 20, 50, 20, 50 ); // Results in no pixels being drawn. So how do I get a one pixel long line? Thanks, Dave Tag: RichTextBoxFinds & StringComparison Tag: 95205
  - 25
    - Playing File Progress AVI Is there a way in VB.NET 2005 to play the file progress avi file on a Winform? I know there use to be a control in VB6 but there does not seem to be one for .NET. I would rather not use external DLL's that I have to send along with my EXE. Thanks, David ====================================== David McCarter www.vsdntips.com VSDN Tips & Tricks .NET Coding Standards available at: www.cafepress.com/vsdntips.20412485 Tag: RichTextBoxFinds & StringComparison Tag: 95202

I try to transforma RichTextBoxFinds into a StringComparison.

Basically I hae 2 flag I'm looking at:
RichTextBoxFinds.WholeWord
& RichTextBoxFinds.MatchCase

Now, if I'm looking at String comparion the doc says: "The StringComparison
enumeration is used to specify whether a string comparison should use the
current culture or the invariant culture, word or ordinal sort rules, and be
case-sensitive or case-insensitive."
3 binary option => that should gives me 8 option! but there are only 6 :-/

If I forget about case I'm left with:

StringComparison.CurrentCulture
StringComparison.InvariantCulture
StringComparison.Ordinal

I'm thinking to the following mapping:
if RichTextBoxFinds.WholeWord is Set => StringComparison.CurrentCulture
if RichTextBoxFinds.WholeWord is NOT Set =>
StringComparison.InvariantCulture

what do you think?

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