GUI design guideline

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  - 1
    - How to initialize hidden columns for newly added rows ? I want to allow the user to add new rows. Not all columns from the bound data tabled are mapped (i.e. there are hidden columns). But some of those columns do not allow null. When I add a new row I get an exception: A first chance exception of type 'System.Data.NoNullAllowedException' occurred in system.data.dll Additional information: Column 'REP_ID' does not allow nulls. Question is, How can I provide a proper row initialization when the grid creates a new row? That is, how can I detect the newly added row, and perform some initialization on the row's column values? Tag: GUI design guideline Tag: 89058
  - 2
    - Sending e-mail through windows forms Hello all - I am very familiar with sending mail through asp.net (using the System.Web.Mail class), but I do not have experience sending e-mail through windows forms. I would assume the syntax is probably the same, but perhaps the class or method of calling it could be different? Can this be done in windows or do i need a web service(please, no)? Tag: GUI design guideline Tag: 89057
  - 3
    - writing functions in dll (newbie) I have a task to write winform application while writing the functions that return information, in a dll - for example opening a file. can someone please give me an example for function that opens a file (openFileDialog) that will be written in a dll file? Thanks a lot Tag: GUI design guideline Tag: 89056
  - 4
    - how to make a fullscreen window? I mean like VS.NET fullscreen windows? I was thinking: simply remove the border, set maximized and topmost. however I will have problem with dialog then (which would be behind my window, don't they?) (uh?!) any other idea? Tag: GUI design guideline Tag: 89051
  - 5
    - Multiple Screen environment... Hello, My appliccation saves form size and positions whenever they are closed so they can be shown at the same size and position when opened next time. My problem in here is that when it is used in Multiple screen enviornment, I can't understand whether the window is in which screen and I also don't know how to set the position of a window other than the primary screen? Can anybody help me? Regards, Özden Irmak Tag: GUI design guideline Tag: 89048
  - 6
    - Inherited Forms Hi all, Anyone can tell me if the derived forms need to call the constructor of the ancestor Form ? Also it's needed to call InitializeComponent() from Ancestor form or not ? Sample: public Class AncestorForm: System.Windows.Forms.Form { Public AncestorForm() //:base() needed or not ? { InitializeComponent(); } } public Class DerivedForm: AncestorForm { Public DerivedForm(): base() //:base() needed of not ? { InitializeComponent(); } } Tanks for your help Tag: GUI design guideline Tag: 89044
  - 7
    - Load a form Hello, I have created an application in vb.net. I want to show a chaild form on main mdi form. Since form contains many controls it is taking too long to get displayed completely and it also flickers. I have tried SuspendLayout and Resume Layout methods, but was not helpful. Can I load this form in memory and then show it(using form.show method) so that it will be displayed in lesser time? Will it help me? How can I load the form in memory without displaying it? Pls. reply soon. Thanks in advance. --RbanBph Tag: GUI design guideline Tag: 89039
  - 8
    - Printing from RichTextBox in .NET 2003 Hello. Is there any way to print text from a RichTextBox in C++ Windows Forms. I know that they got rid of this function but does anyone know about any classes that can be added to your project in order to print text from the richTextBox. I have tried using the built in windows forms print dialog and print function but it does not see text. Any help would be great. Tag: GUI design guideline Tag: 89036
  - 9
    - Datagrid - Windows - DataGridBoolColumn - How can I disable all the check boxes in the column I tried boolCol.ReadOnly = true and a bunch of other things but can't get the check boxes for the datagrid's column for all rows to be disabled? Can someone tell me how to do this? MyGrid.ReadOnly = true; MyGrid.Click += new EventHandler(MyGrid_Click); MyGrid.CaptionVisible = false; tableStyle = new DataGridTableStyle(); tableStyle.MappingName = "MyItemsData"; tableStyle.AllowSorting = false; tableStyle.RowHeadersVisible = false; //MyCheckBox Check boolCol = new DataGridBoolColumn(); boolCol.MappingName = "MyCheckBox"; boolCol.HeaderText = "MyCheckBox"; boolCol.AllowNull = true; boolCol.NullValue = string.Empty; boolCol.FalseValue = false; boolCol.TrueValue = true; boolCol.Width = boolColWidth; tableStyle.GridColumnStyles.Add(boolCol); boolCol = null; Tag: GUI design guideline Tag: 89035
  - 10
    - 3 windows, bring all to front Hi All, This should be pretty easy, and I'm sure there's a simple way to do it, but it's eluding me. The application has three windows open at all times. Needed functionality: a click on any of the three windows should bring the other two to the front as well so that they would all be above any other program windows. I've been messing with BringToFront and the Activated event but everything I do seems to lead into infinite loops. Hopefully one of you knows the 'right' way to handle this common problem. Thanks for any help! - Tom Tag: GUI design guideline Tag: 89030
  - 11
    - How to impliment a wizard style SDI..... In VC++ using MFC I created a SDI app and in the CFormView I created a CPropertySheet added the CPropertyPage's to create a Wizard style SDI. How can I do something like this in WindowsForms? Thanks for you help?... Tag: GUI design guideline Tag: 89028
  - 12
    - Win2k3 SP1 affects IEExec ?? Has anyone encountered issues running NTD apps on 2003 SP1? I have an application that runs fine when run from IE on 2003 SP0. It also runs fine when run from the file system (i.e., double-click the exe) on 2003 SP1. For some reason, when we run the same app from IE on 2003 SP1 machines, we're getting System.TypeInitialization exceptions in IEExec.exe . When examined closer by building the app with debug symbols on the server, it appears that (at least in this case) the TypeInitializationException is being caused by an exception as a Web Proxy Class (for a web service) is being initialized. The Message is "The type initializer for "System.Xml.Serialization.Compiler" threw an exception. The stack trace begins: at System.Xml.Serialization.TempAssembly.GenerateAssembly(XmlMapping[] xmlMappings, Type[] types, String defaultNamespace, Evidence evidence, CompilerParameters parameters, Assembly assembly, Hashtable assemblies) at System.Xml.Serialization.TempAssembly..ctor(XmlMapping[] xmlMappings, Type[] types, String defaultNamespace, String location, Evidence evidence) at System.Xml.Serialization.XmlSerializer.FromMappings(XmlMapping[] mappings, Type type) at System.Web.Services.Protocols.SoapClientType..ctor(Type type) at System.Web.Services.Protocols.SoapHttpClientProtocol..ctor() Has anyone seen behavior like this? Please post if further info would be helpful. Thanks in advance. Tag: GUI design guideline Tag: 89027
  - 13
    - No Touch Deployment using HTTPS? Hi, I am trying to use NTD with HTTPS and get this error: "An execption 'System.Security.SecurityException' has occurred in IEExec.exe". I must access this exe through a https site. Is there a way to make this work? Also - I put the Application.exe in the Virtual Directory to use NTD. Do I also put the Application.exe.config in that directory as well? I haven't been able to find many detailed examples on how to use NTD. thanks in advance! Bill Tag: GUI design guideline Tag: 89025
  - 14
    - why aren't changes in datasets recognized for bound controls? Hi, I've got a simple VB/Access app that binds text controls to various fields in a database table. Everything works fine, EXCEPT that when I call the Update method on the data adapter, nothing updates, because it thinks nothing has changed! If I make changes to the fields thru the bound edit boxes, and then check the "HasChanges" method on the dataset, it runs FALSE - even though the changes ARE reflected in the dataset's data! How do I fix this??? The Update calls do nothing even if I edit all the fields because the dataset won't recognized that anything has changed. The updates and everything work fine if I manually set new values into the fields; the update works and HasChanges returns true. ex.:dataset.tables(0).rows(0)("my field") = foo thanks! B Tag: GUI design guideline Tag: 89024
  - 15
    - Help needed I have to crete a windows form within a thread. Can some post a code or direct me to some link to accomlish this? I have background service which needs to pop up this form which will be always on top of third party word editor. I am using ShowWindow and SetWindowPos WIn APIs. This is working on XP machines but I am having trouble with Windows 2000 machines. I have to make it working on windows 2000 machines as well. Any help would be appreciated. Thanks, Dinoo Tag: GUI design guideline Tag: 89023
  - 16
    - How to track changes in a datagrid I'm developing a desktop app that displays several screens of of data in a two column fashion, the left column has the tiles and the right column has the input controls (textboxes, dropdowns, etc) for input. Typically the app is used to display preexisting data and the user would edit certain things. The data is saved on a network drive and can be edited by many users who have access to the drive (no concurrenct editing) so it needs to be able to track who changed what when. If a value is changed 10 times by 10 different user, it should be able to keep the history. I'm thinking maybe a DataGrid control is the best choice for displaying and accepting user input but not sure how it captures the change info. Could anyone point me in the right direction? Tag: GUI design guideline Tag: 89022
  - 17
    - variable height TreeNodes in TreeView Is it possible to create a TreeView with variable height TreeNodes? For example, I may want to have text in a given tree node have hard return characters that wrap that node's text to next line? There is the TreeView.ItemHeight property but that only allows setting a height for all TreeNodes in the TreeView's underlying tree model (which is limited to TreeNode types of trees). Tag: GUI design guideline Tag: 89019
  - 18
    - RegEx for Acceptions Numbers with Dot Hi using regEx class in c# can u tell me how to accept input string [0-9] and also accepting [dot][.] with 'n' times Tag: GUI design guideline Tag: 89016
  - 19
    - Cursor "stuck" In Databound Control/Caching? I am having a strange issue and cannot solve it. Basically, I have a form that edits information in a database. This form has many different controls that are bound to a business object. When I first load the form to edit the info everything works properly. The process of loading the object also loads the object into cache (Isolated storage using Enterprise Library 2.0 caching application block). If I load the form again and attempt to edit a field (say notes a textbox) my cursor gets "stuck" in the text box and I cannot click on any other control in the form. However I can close the form with the X in the upper right corner and the keys still function properly (Enter saves the object and Esc closes the form). I have looked the stack trace but it is giving me nothing. I have no idea where to begin. Has anyone seen something similar or have any ideas what it might be? Any ideas how I can go about getting some info to solve the problem? Tag: GUI design guideline Tag: 89013
  - 20
    - Form Display Hello, I have designed a form in vb.net. I have placed a tab control with 3 tab pages on the form. This tab control holds many controls in each tab page. This form is MDIChild form. I have not written much code on the form. Whenever I run the project, form is dipslayed as textboxes first then Data grid followed by another tab on the form and so on. Form does not display all the controls at once as complete form. What I should do in order to avoid this? Early response is awaited.. -RbanBph Tag: GUI design guideline Tag: 89010
  - 21
    - key events doesn't work Hi. I got some problem with the key events, they doesn't rise. first I made a new win project in C#, and I set this.KeyPreview = true; also this.KeyUp += new System.Windows.Forms.KeyEventHandler(this.fClient_KeyUp); and then I test run the app, and the keyup event did evoke. then I added a brower control into the form private AxSHDocVw.AxWebBrowser mviewer; and test run the app again, but this time the keyup didn't evoke, I assume the the browser control took the key events, how do I let the parent form evoke the key events again? and the browser control seems don't have any key event handler, am i right? any help would be greatful. regards Steve p Tag: GUI design guideline Tag: 89008
  - 22
    - Command button shortcut key Hi! i have a form in VB.Net with two command buttons CmdDelete and CmdAdd i need to add shortcut keys for example F8 for CmdDelete and F4 for CmdAdd but i don't have any code. could someone plz show me a sample code... Best wishes Tag: GUI design guideline Tag: 89005
  - 23
    - Enter key in Text box I have a problem while using Enter key in text box. when user presses enter in the text box information of customer is loaded. and I have a clear button that clears all the controls on the form. first it works properly. then I click on some other button (say detail button) that opens some other form. after closing that form if clear the form using clear button and again enter Id in text box and press enter. it does not work instead click event of Detail button is fired. Again I clear the form and press enter in the text box then it works and shows the data in controls. It happens several times. I am able to trace that. Control does not enter in event handler of key press event when this problem happen. no error is coming in any of the processes and no default button is set. Any solutions to this problem? -- Regards, Lalit Bhatia Tag: GUI design guideline Tag: 89003
  - 24
    - Custom Designer Hi, I'm writing a control called a validating submit button. Basically, you can tell it to validate a number of controls when the user hits this button. When they hit the button, it'll say, "You must enter yada yada..." and highlight the bad field. Ok, now that I've got that out of the way, I think this problem should be relatively easy. Basically, I created a special designer that was a form that had two lists, one of available controls, and one of controls it will validate, in order. It would then add these items an arraylist of the inherited button class. This seems to work fine! I can run my custom verb, have it open up and show all the items that are currently selected to be validated and all of that jazz, but it doesn't change the actual .vb file in the InitializeComponent sub of the test form. So basically, it can change all these values on the design-time copy of the actual control, but I can't figure out how to add code to the initialize component of the form that'll be using this control. I figure that this question ought to be rather easy, as being able to create a custom designer without being able to "save your changes," so to speak, is pretty useless, and probably a commonly asked question. Thanks for your time! Bryce Covert. Tag: GUI design guideline Tag: 89002
  - 25
    - Windows XP doesn't restore its desktop background after closing a smart client app Hi, I have developed a smart client app and deployed it. In some of the client machines, they have set a desktop background image. When the user works with the smart client app and close after opening few windows forms, the windows xp desktop image have some rectangular borders all over it which were the size of the opened windows forms in the smart client. Can anyone tell me how to refresh the desktop background image in xp? Thank you. Tag: GUI design guideline Tag: 88999
- Next
  - 1
    - Sometimes clicking on a TreeView node doesn't select it Hi; I have this case where when I click on a line in my TreeView, it selects it for a second, and then moves the selection back to the previous selection. Usually I have to click 3 times to get it to stick - then it's fine from then on. The tree is not set to accept drag/drop. HideSelection=false, otherwaise all is standard. This is the only event I have for the control - and it is the only control in the form: private void Tree_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { TreeNode node = treeDB.GetNodeAt(e.X, e.Y); if (node == null) return; RootNode root = node.Tag as RootNode; if (root == null) return; DoDragDrop(new DragDropData(app, root), DragDropEffects.Copy); } Any ideas? -- thanks - dave Tag: GUI design guideline Tag: 88998
  - 2
    - How to get user information from the local system user accounts. I am hoping to be able to (easily) write a program that will go into the local computer (as long as you are logged in as the administrator) and get information about the existing user accounts. I want to do this for LOCAL accounts on computers that are NOT members of a windows 2000 domain. Can someone point me to the correct document/example that shows how this could be done. I have found many many many examples for Windows 2000 domains, but none for local system accounts. Tag: GUI design guideline Tag: 88996
  - 3
    - Smart Client - Update from MSI Code? What code do I have to add to my application to get it to check for updates, then re-install itself via an MSI file? Any simple examples out there? Tag: GUI design guideline Tag: 88995
  - 4
    - Want form on top of, but no in, non-.NET window Hi; I used the Win32:SetParent to set the parent of a Form to the Window of the app it is in (Word). This forced the form to stay within the main window of Word. How can I set a Form so it is always above the Word window - but not restricted to being within it? -- thanks - dave Tag: GUI design guideline Tag: 88994
  - 5
    - Want Form.CLose to Hide() Hi; I have a modeless form (not modal). I want when the user clicks on the X that it hides instead of closes. I was going to handle this in the Closing event but I also need to be able to close the window at some time - so that won't work. So, any suggestions? Also, is there a call I can make on a Form to see if it has been closed? -- thanks - dave Tag: GUI design guideline Tag: 88993
  - 6
    - use project variables throughout solution currently i have a solution with 8 projects. In the Client project there is a form called ListSer i would like to use in my Rpts project. Client is the startup project, so can't reference to it. Is there a way to use the ListSer form in my Rpts project? Is there a way to create global variables for the Solution? would that work? Tag: GUI design guideline Tag: 88988
  - 7
    - Dropping Email i dont know if this is the right group but... i need to know how i can get an email message that is droped on my form, and manage it content, for example attachments and other stuff Thanks Tag: GUI design guideline Tag: 88987
  - 8
    - custom shaped form I want to create a small app that uses a jpg as the main form's "face" (i.e. windows media). I downloaded a sample app from codeproject and noticed that, in the main code, the developer actually went through and built up the region with a bunch of AddCurve() and AddLine() calls. Isn't there a way to accomplish the custom shape by using a transparent color in the bitmap? Also, what's the best or most common method of using an image for the form? Thanks, ~billy Tag: GUI design guideline Tag: 88985
  - 9
    - WinForms and COM Interop I've a .NET WinForms application. The forms needs to be showed from a VB6 application. I wrote a simple class "COMWrapper" registered for COM Interop that instances the appropriate form and show it. The problems appeara when I show a MessageBox from the form. When I press OK the parent form "disapper". The form has this behavior ONLY with the ShowInTaskBar = FALSE Any ideas? Thanks in advance Massimo Tag: GUI design guideline Tag: 88984
  - 10
    - GUI from code Back in February I asked if anyone knew of a code-based presentation layer / layout manager. There are two: MyXAML (http://www.myxaml.com) lets you instantiate components such as forms and controls through markup rather than code. It uses an XML markup language (though not Longhorn's MSAvalon). MyXAML is open source. CoderForm (http://www.fivetuple.com) takes a different approach by keeping the UI spec within code, but wrapping the UI classes (Forms, controls etc) to make it easy to define the interface from code). Take your pick. Tag: GUI design guideline Tag: 88982
  - 11
    - Error when committing the row to the original data store What types of issues cause DataGrid to throw up this message box when changing a cell value to some new legal cell value, and navigating away from the row? Tag: GUI design guideline Tag: 88980
  - 12
    - special line feed character appear in notepad - windows form - c sharp hello members, i m using windows form c# using follwoing code StreamWriter sw = new StreamWriter(new FileStream(@"c:\anyTextFile.txt", FileMode.Append)); sw.WriteLine("this is test text \n now from here is next line"); sw.Flush(); sw.Close(); i m trying to write a simple text file, when i open that file in any text pad it shows data as follow //** this is test text now from here is next line **// but when i open that file in windows notepad it shows data as follow //** this is test text ? now from here is next line **// that is theres sum square box inplace of linefeed, i want if i open same file in notepad it shows same as of textpad, why it is not showing, how to overcum that . regards.. -- Message posted via DotNetMonster.com http://www.dotnetmonster.com/Uwe/Forums.aspx/winform/200506/1 Tag: GUI design guideline Tag: 88978
  - 13
    - ReadOnly Hi All, How do I make all my Controls on the C# windows Form readonly.? -SARADHI Tag: GUI design guideline Tag: 88972
  - 14
    - opening form only one time Which is the best way to prevent opening a form which is already open? my program has an mdiparent form and when the user opens frmcustomers, can edit records. now if the user again opens this form a new instance will be created and the same form opens again. what i can do to prevent this? I'm using VB .Net and winxp ------------------ Dim myfrm as new frmcustomers myfrm.show -------------------- regards Tag: GUI design guideline Tag: 88969
  - 15
    - Crystal drill down export Now suppose you have 30 stores located in 4 regions North, South, East, West and you have a sales report developed in crystal that groups by the region. You would really like to be able to create 4 export files one for each region. what would you do. i don't have a problem exporting the report but how do i create a separate file for each item in the group? -- Message posted via http://www.dotnetmonster.com Tag: GUI design guideline Tag: 88967
  - 16
    - Creating a Simple Updater Hi I have in each of my clients Application directory (30) several files and subfolder sometimes I need to update just a specific .mdb or .txt or .exe or only the app.config . I have tried to do something using the UpdatedApplicationBlock but because of my Directory structure and the variety of files, it seem too much complicated to me, and I want the update process be done for the person in front of the PC. I have my FTP server. I want to write a little program to do this: When somebody press the ButtonA: a) Go to my FTP Site b) Download the File named myNewFile1.xxx c) Move c:\MyApp\Dir1\myOldFile.xxx to a backup folder d) Move myNewFile1.xxx to Directory c:\MyApp\Dir1 I think this is not hard to do, but I need some orientation Thks Tag: GUI design guideline Tag: 88966
  - 17
    - Application disappears from Alt-tab task list when displaying CollectionForm When a CollectionEditor displays a CollectionForm (by clicking on a Collection in a PropertyGrid) the application icon is no longer shown in the task list displayed using the Alt-tab key. Any suggestions how to fix this? Do I need to modify style of CollectionForm to do this? How can I do this? Tag: GUI design guideline Tag: 88963
  - 18
    - DragEventArgs and GetDataPresent with abstract base class Hello: I am trying to build a drag-and-drop operation with a control derived from my abstract base class. The control is either a PictureControl or a PictureGroupControl, both of which have PictureComponentControl as their superclass. When handling a DragOver event, I'd like to treat the dragged object as a PictureComponentControl without having to explicity test for whether the object is a PictureControl OR a PictureGroupControl, but GetData/GetFormats/GetDataPresent seem to only work with the subclass, not with the superclass. I've even tried explicitly casting the object when I begin the DoDragDrop() operation, but even then it doesn't seem to stick. Any advice for me? I know I could test for both subclasses explicitly, but that seems like bad OO -- then, in the future when I invent a SuperPictureControl, I'll have trouble. Is there a better way to do this, perhaps using Reflection or an Interface? Thank you, /m Tag: GUI design guideline Tag: 88958
  - 19
    - Validation of data in win forms 2.0, Insert I am developing an application that requires the user to add and or change data. The application will be coded in winforms using .net 2.0. I am struggling a bit to understand how to implement validation of the data. A simple example is a table the has Description and Remarkscolumn. The Description is a required field. It must be non blank. I have implemented a dataset for this table and have implemented validation in the OnColumnChanging event in the datasets partial class. I have wired this into an errorprovider component on the winform. THis works as I expected on an update. The validation logic successfully finds the blank column and stops the user from entering a blank value. An insert does not work as I expected. The OnColumnChanging event does not seem to get fired on an insert. Any help would be appreciated. Tag: GUI design guideline Tag: 88955
  - 20
    - IDisposable objects as fields in a Windows Form Hi to all. I have a Windows Form. I have a field in my form class which implements IDisposable. When I should call Dispose to that object? Is correct to call Dispose of all IDisposable objects in the OnClosed method of the form? Thanks, Pino. Tag: GUI design guideline Tag: 88952
  - 21
    - Event Log? Hi all, I've written a window service which needs to write to the event log from time to time based on certain events. Apart from a minor issue at the moment where the actual log isn't created and it uses the "Application" one, I always get the following: "For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp." added to the bottom of each of my "information" type event log entries. As you are aware there are the following types: Error FailureAudit Information SuccessAudit Warning Does anyone know of any way to either turn off that line from the log entry, or, add my own 'types' to the event log types so that I can use my own "RobsInformation" for example as a type that doesn't display that surpurflous link.... Any information would be really appreciated. I have other applications (obviously), installed on my PC, and things like Norton AV write to the event log with "information" type entries, but they dont have URL's back to MS. In an ideal scenario here I'd be able to add my own URL pointing to a web page that gives details of the error message (as MS do). Thanks in advance for any help. Regards Rob Tag: GUI design guideline Tag: 88950
  - 22
    - CD-ROM suspends the application execution Hi to all. I'm writing an application which should read data from CD-ROM. I have the application started and I I insert the CD-ROM in the reader. Subsequently, I click the button for read the data, but the Windows Form not respond for a couple of seconds. Are there any methods to read the CD-ROM in the background without having the form in not responding status? This is the same problem when I insert the CD-ROM in Windows Explorer... Thanks, Pino. Tag: GUI design guideline Tag: 88946
  - 23
    - Transparent Label Control - Text Refresh Problem I have created a class file for Transparent Label and it works. But when I placed the control in the form designer, the text inside the label is not displayed. I have to move the control or press ALT+TAB to refersh the text. Any tips to overcome this problem? My Code: Imports System Imports System.Windows.Forms.Design Imports System.ComponentModel Imports System.ComponentModel.Design Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Text Imports System.Windows.Forms Public Enum Direction ' Fields AntiClockwise = 1 Clockwise = 0 End Enum Public Enum Orientation ' Fields Arc = 1 Circle = 0 Rotate = 2 End Enum Public Class DesignStaticText Inherits System.Windows.Forms.Control ' Fields Private m_rotationAngle As Double ' Private text As String Private m_textDirection As Direction Private m_textOrientation As Orientation <Bindable(False), Browsable(False)> Public Shadows Property Visible() As Boolean Get Return MyBase.Visible End Get Set(ByVal Value As Boolean) MyBase.Visible = Value End Set End Property Public Sub New() MyBase.SetStyle(ControlStyles.SupportsTransparentBackColor, True) Me.m_rotationAngle = 0 Me.m_textOrientation = Orientation.Rotate Me.BackColor = Color.Transparent End Sub Public Sub InvalidateEx() If (Not MyBase.Parent Is Nothing) Then Dim rect As Rectangle rect = New Rectangle(MyBase.Location, MyBase.Size) MyBase.Parent.Invalidate(rect, True) Else End If Invalidate() End Sub Protected Overrides Sub OnFontChanged(ByVal e As EventArgs) Me.InvalidateEx() End Sub 'Protected Overrides Sub OnLocationChanged(ByVal e As EventArgs) ' Me.InvalidateEx() 'End Sub Protected Overrides Sub OnPaintBackground(ByVal pevent As PaintEventArgs) End Sub ' Properties Protected Overrides ReadOnly Property CreateParams() As CreateParams Get Dim params As CreateParams = MyBase.CreateParams params.ExStyle = (params.ExStyle Or 32) Return params End Get End Property <Description("Rotation Angle"), Category("Appearance")> _ Public Property RotationAngle() As Double Get Return m_rotationAngle End Get Set(ByVal value As Double) m_rotationAngle = value InvalidateEx() 'MyBase.Invalidate() End Set End Property <Category("Appearance"), Description("Direction of the Text")> _ Public Property TextDirection() As Direction Get Return m_textDirection End Get Set(ByVal value As Direction) m_textDirection = value 'MyBase.Invalidate() InvalidateEx() End Set End Property <Category("Text"), Description("Text to display")> _ Public Overrides Property Text() As String Get Return MyBase.Text End Get Set(ByVal value As String) MyBase.Text = value InvalidateEx() End Set End Property <Category("Appearance"), Description("Kind of Text Orientation")> _ Public Property TextOrientation() As Orientation Get Return m_textOrientation End Get Set(ByVal value As Orientation) m_textOrientation = value InvalidateEx() End Set End Property Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) Dim i As Integer Dim graphics As Graphics = e.Graphics graphics.SmoothingMode = SmoothingMode.HighQuality graphics.TextRenderingHint = TextRenderingHint.AntiAlias Dim stringFormat As StringFormat = New StringFormat stringFormat.Alignment = StringAlignment.Center stringFormat.Trimming = StringTrimming.None Dim textBrush As Brush = New SolidBrush(Me.ForeColor) 'Getting the width and height of the text, which we are going to write Dim width As Single = graphics.MeasureString(Text, Me.Font).Width Dim height As Single = graphics.MeasureString(Text, Me.Font).Height 'The radius is set to 0.9 of the width or height, b'cos not to 'hide and part of the text at any stage Dim radius As Single = 0.0F If (ClientRectangle.Width < ClientRectangle.Height) Then radius = ClientRectangle.Width * 0.9F / 2 Else radius = ClientRectangle.Height * 0.9F / 2 End If Select Case (m_textOrientation) Case Orientation.Arc 'Arc angle must be get from the length of the text. Dim arcAngle As Single = (2 * width / radius) / Text.Length If (TextDirection = Direction.Clockwise) Then For i = 0 To Text.Length - 1 graphics.TranslateTransform(CType((radius * (1 - Math.Cos(arcAngle * i + RotationAngle / 180 * Math.PI))), Single), CType((radius * (1 - Math.Sin(arcAngle * i + RotationAngle / 180 * Math.PI))), Single)) graphics.RotateTransform((-90 + CType(RotationAngle + 180 * arcAngle * i, Single)) / CType(Math.PI, Single)) graphics.DrawString(Text.Chars(i).ToString(), Me.Font, textBrush, 0, 0) graphics.ResetTransform() Next Else For i = 0 To Text.Length - 1 graphics.TranslateTransform(CType((radius * (1 - Math.Cos(arcAngle * i + RotationAngle / 180 * Math.PI))), Single), CType((radius * (1 + Math.Sin(arcAngle * i + RotationAngle / 180 * Math.PI))), Single)) graphics.RotateTransform((-90 - CType(RotationAngle - 180 * arcAngle * i, Single) / CType(Math.PI, Single))) graphics.DrawString(Text.Chars(i).ToString(), Me.Font, textBrush, 0, 0) graphics.ResetTransform() Next End If Exit Select Case Orientation.Circle If (TextDirection = Direction.Clockwise) Then For i = 0 To Text.Length - 1 graphics.TranslateTransform(CType((radius * (1 - Math.Cos((2 * Math.PI / Text.Length) * i + RotationAngle / 180 * Math.PI))), Single), CType((radius * (1 - Math.Sin((2 * Math.PI / Text.Length) * i + RotationAngle / 180 * Math.PI))), Single)) graphics.RotateTransform(-90 + CType(m_rotationAngle, Single) + (360 / Text.Length) * i) graphics.DrawString(Text.Chars(i).ToString(), Me.Font, textBrush, 0, 0) graphics.ResetTransform() Next Else For i = 0 To Text.Length - 1 graphics.TranslateTransform(CType((radius * (1 - Math.Cos((2 * Math.PI / Text.Length) * i + RotationAngle / 180 * Math.PI))), Single), CType((radius * (1 + Math.Sin((2 * Math.PI / Text.Length) * i + RotationAngle / 180 * Math.PI))), Single)) graphics.RotateTransform(-90 - CType(m_rotationAngle, Single) - (360 / Text.Length) * i) graphics.DrawString(Text.Chars(i).ToString(), Me.Font, textBrush, 0, 0) graphics.ResetTransform() Next End If Exit Select Case Orientation.Rotate 'For rotation, who about rotation? Dim angle As Double = (RotationAngle / 180) * Math.PI graphics.TranslateTransform((ClientRectangle.Width + CType((height * Math.Sin(angle)), Single) - CType((width * Math.Cos(angle)), Single)) / 2, (ClientRectangle.Height - CType((height * Math.Cos(angle)), Single) - CType((width * Math.Sin(angle)), Single)) / 2) graphics.RotateTransform(CType(RotationAngle, Single)) graphics.DrawString(Text, Me.Font, textBrush, 0, 0) graphics.ResetTransform() Exit Select End Select End Sub Protected Overrides Sub OnLocationChanged(ByVal e As System.EventArgs) MyBase.OnLocationChanged(e) If Not IsNothing(Me.Parent) Then Me.Parent.Refresh() End If End Sub End Class Thanks Prabu Raju Tag: GUI design guideline Tag: 88942
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    - Controls layout save/load Hi Is there a way to save the layout of controls (position, size, visibility, appearance etc.) to a file (xml?) and also be able to load the layout from a file? The idea being that these file scan serve as templates for different clients who may have different preferences. Is someone has worked with this and can post some code examples then that would be highly appreciated. Thanks Regards Tag: GUI design guideline Tag: 88940
  - 25
    - book Recommendations I'm looking for a good book on .net data base using N-Tire Examples. Tag: GUI design guideline Tag: 88939

Hi!

I'd like to know if Microsoft has published a guideline for GUI design
for .NET applications (something about choosing the right flatstyle,
fonts...).

Thank you!

Simone.

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Re: GUI design guideline by Carlos

Carlos
Wed Jun 15 10:48:29 CDT 2005

Hi Simone,

AFAIK, not, they are just Windows applications:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwue/html/welcome.asp

--

Best regards,

Carlos J. Quintero

MZ-Tools: Productivity add-ins for Visual Studio .NET, VB6, VB5 and VBA
You can code, design and document much faster.
Free resources for add-in developers:
http://www.mztools.com

"Brain 0.0" <killkrt@libero.it> escribió en el mensaje
news:1118848260.943660.316200@g49g2000cwa.googlegroups.com...
> Hi!
>
> I'd like to know if Microsoft has published a guideline for GUI design
> for .NET applications (something about choosing the right flatstyle,
> fonts...).
>
> Thank you!
>
> Simone.
>

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Re: GUI design guideline by Herfried

Herfried
Sat Jun 18 08:09:07 CDT 2005

Carlos,

"Carlos J. Quintero [.NET MVP]" <carlosq@NOSPAMsogecable.com> schrieb:
> AFAIK, not, they are just Windows applications:
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwue/html/welcome.asp

... and for Windows XP:

Windows XP - Guidelines for Applications
<URL:http://www.microsoft.com/whdc/hwdev/windowsxp/downloads/default.mspx>

--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://classicvb.org/petition/>

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