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  • WYSIWYG editor for Windows forms

    - by Tired
    Does anyone know of a good WYSIWYG editor for Windows forms. If I use a rich textbox, I need to handle pasting events, bold buttons, fonts etc, which is a nightmare. I’m currently using the HTML control, suggested by many sites, but I have a large form, with many tabs. Since I have to load up to 8 HTML controls, loading the form takes too long. Any help?

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  • Does visibility affect DOM manipulation performance?

    - by Chetan Sastry
    IE7/Windows XP I have a third party component in my page that does a lot of DOM manipulation to adjust itself each time the browser window is resized. Unfortunately I have little control of what it does internally and I have optimized everything else (such as callbacks and event handlers) as much as I can. I can't take the component off the flow by setting display:none because it fails measuring itself if I do so. In general, does setting visibility of the container to invisible during the resize help improve DOM rendering performance?

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  • DropDownList doesn't postback on SelectedIndexChanged

    - by Sergey Volegov
    I'm writing an ASP.Net webform with some DropDownList controls on it. Then user changes selected item in one of dropdowns, ASP.Net doesn't seem to handle SelectedIndexChanged event until form is submitted with a 'Submit' button click. How do I make my dropdowns handle SelectedIndexChanged instantly? P.S. It's a classic question I have answered too many times, but it seems no one asked it before on stackoverflow.

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  • Cannot run fopen() or file_get_contents()

    - by Obay
    Hi, When I use fopen() or file_get_contents(), I get the following error: Warning: fopen(URL_OF_FILE_HERE) [function.fopen]: failed to open stream: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. in D:\WebServer\Sapphire\CMS_2009\apps\Newswire\send_mails.php on line 57 PHP version is 5.9.2-2. In another server, PHP is 5.9.2, and it works fine. allow_url_fopen is On Any ideas?

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  • Is there a way to get SSL certificate details using JavaScript?

    - by sHz
    Hi all, I'd like to gather certain details of an SSL certificate on a particular web-site. I know this is straightforward using the openssl tool on Linux/MacOSX. However is the same or similar possible in JavaScript? I understand that the browser handles socket connections and that the SSL handshake occurs prior to any party sending data. However in an XMLHTTPRequest, I'd like to know if its possible to get these details as some sort of response code etc?

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  • How do I share usercontrols/functionality between sites?

    - by Jimmy Engtröm
    Hi We have two asp.net sites (based on episerver). Using Telerik Asp.net controls. We have some funtionality that we want to have availible in both sites. Right now one of the sites use webparts/usercontrols and the other uses usercontrols. Is there any way to share the functionality between these sites? What I would like is to be able to share usercontrols between the sites. /Jimmy

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  • Visual Studio Missing Warnings

    - by coffeeaddict
    Anyone find where when you open a certain solution (that contains multiple projects) and compile that you're not seen some warnings that your collegues see when compiling the exact same solution at the exact same state? The code is the same. I depend highly on the warnings as a shortcut to find unused methods, etc. But I get nothing during compile.. only a couple based on references to user controls, etc.

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  • How to bind DataTable to Chart series?

    - by user175908
    Hello, How to do bind data from DataTable to Chart series? I get null reference exception. I tried binding with square brackets and it did not worked either. So, how to do the binding? Thanks. P.S: I included DataGrid XAML and CS which works just fine. Converting data to List<KeyValuePair<string,int>> works good but it is kinda slow and is unnessesary trash in code. I use WPFToolkit (the latest version). XAML: <Window x:Class="BindingzTest.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="606" Width="988" xmlns:charting="clr-namespace:System.Windows.Controls.DataVisualization.Charting;assembly=System.Windows.Controls.DataVisualization.Toolkit"> <Grid Name="LayoutRoot"> <charting:Chart Title="Letters and Numbers" VerticalAlignment="Top" Height="400"> <charting:Chart.Series> <charting:ColumnSeries Name="myChartSeries" IndependentValueBinding="{Binding Letter}" DependentValueBinding="{Binding Number}" ItemsSource="{Binding}" /> </charting:Chart.Series> </charting:Chart> <DataGrid Name="myDataGrid" VerticalAlignment="Stretch" Margin="0,400,0,50" ItemsSource="{Binding}" AutoGenerateColumns="False"> <DataGrid.Columns> <DataGridTextColumn Header="Letter" Binding="{Binding Letter}"/> <DataGridTextColumn Header="Number" Binding="{Binding Number}"/> </DataGrid.Columns> </DataGrid> <Button Content="Generate" HorizontalAlignment="Left" Name="generateButton" Width="128" Click="GenerateButtonClicked" Height="52" VerticalAlignment="Bottom" /> </Grid> CS: public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } DataTable GenerateMyTable() { var myTable = new DataTable("MyTable"); myTable.Columns.Add("Letter"); myTable.Columns.Add("Number"); myTable.Rows.Add("A", 500); myTable.Rows.Add("B", 400); myTable.Rows.Add("C", 500); myTable.Rows.Add("D", 600); myTable.Rows.Add("E", 300); myTable.Rows.Add("F", 200); return myTable; } private void GenerateButtonClicked(object sender, RoutedEventArgs e) { var myGeneratedTable = GenerateMyTable(); myDataGrid.DataContext = myGeneratedTable; myChartSeries.DataContext = myGeneratedTable; // Calling this throws "Object reference not set to an instance of an object" exception } }

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  • WPF DataTemplates with VS2010 designer support + reusable - would you do it that way?

    - by Christian
    Ok, I am currently tidying up all my old stuff. I ran into the issue of "code only DataTemplates" - which are really a pain in the ass. You can't see anything, they are really hard to design, and I want to improve my project. So I had the idea to use the following solution. The main benefits are: You have designer support for your data template You can easily include example sample data The file naming is consistent and easy to remember The preview does not require an additional XAML wrapper (even with code only controls) I will try to explain and illustrate my solution using a few pictures. I am interested in feedback, especially if you can imagine a better way to do it. And, of course, if you see any maintenance or performance issues. Ok, lets start with a simple PreviewObject. I want to have some data in it, so I create a subclass which will automatically fill in some dummy data. Then I add a list to the control, and name this list. Afterwards I add a DataTemplate, this is the sole reason for the whole control (to be able to see and edit the DataTemplate in place): Now I use this control to get my DataTemplate, to use it in other places. To make this easier, I added some code in the code behind, see here: Now I want a control to show me a list of PreviewItems, so I created a "code-only" control which creates an instance of my service (or gets one using DI in real world) and fills its list box with it: To view the result of this work, I added this control inside the same named XAML, this is basically only to be able to see the final result: What I do not like in this solution: The need to create the last control in "code only". So I tried something different while writing this post. The following two screenshots illustrate the approach. I am creating an instance of the service inside the DataContext, and I am using bindings to supply the Itemssourc and the ItemTemplate. The reason for the strange "static property" is refactoring support. If I hardcode the path in the designer (e.g. using "Path = PreviewHistory") and I refactor the names (which happens quite often, early design phase) - I screw up my controls without realizing it. Does anyone has a better idea for this? I am using Resharper, btw. Thanks for any input, and sorry for the image overkill. Just easier to explain that way.. Chris

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  • CustomRenderer for AutoComplete using google closure library

    - by Paul
    I'm looking to use one of the AutoComplete subclasses(Rich,Remote,RichRemote) and I'd like to use a CustomRenderer, however I don't see instructions for this and reading the documentation/source it appears that the Remote subclass is instantiated with a renderer of "var renderer = new goog.ui.AutoComplete.Renderer();" leaving me no option to change it while instantiating. Is there a setRenderer method on the AutoComplete base class similar to that on the goog.ui.Controls classes? Thanks, Paul

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  • WinAPI magic and MONO runtime

    - by Luca
    I'm trying to get the same result of a .NET application (see the link Hide TabControl buttons to manage stacked Panel controls for details), but using the MONO runtime instead of the MS .NET runtime. Pratically, when the custom control is executed using the MONO runtime, the underlying message is not sent to the control, causing the tab pages to be shown... Is there a portable solution which is elegant as the linked one? If it is not possible, what are possible workarounds (apart from removing/adding tabs at runtime)?

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  • How to extend/patch an existing module or package?

    - by nat
    I want to extend some locale-specific features of a python application named OpenERP. All I need is implementing a third party module.function that would be called every time OpenERP calls locale.setlocale() function without changing neither OpenERP nor locale module source code. The only way I can imagine is provide a module named locale.py inside main application package dir, but It seems that is an unpythonic workaround.

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  • Text to speech on iPhone

    - by lostInTransit
    Hi Is there any way we can convert text to speech in an iPhone app? Is it possible using the SDK? Thanks Are there any third-party TTS engines available for the iPhone? (AFAIK Acapela is not yet released)

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  • Lucene.NET performance

    - by Paul Knopf
    I have a website that runs of a third party search provider that is expensive. I am going to roll my own. Is Lucene.NET capable of ~25,000 products (or documents), each with maybe ten attributes used for filtering? I am looking to do a "narrow/drill down" or "faceted search". Does that sound like to much to ask from Lucene.NET?

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  • Flex : Unable to open 'locale/en_US'

    - by dta
    Using Flex Builder : I have created a new Actionscript Project. I want to use mx.controls.Button class in it, so I did the following : Added '-locale=en_US -source-path=locale/{locale}' to the Actionscript compiler arguments Added 'framework.swc' to the library path But now I get this error: unable to open 'locale/en_US' I looked up and I do have the following directory inside my Flex Builder 3 installation: ./sdks/3.0.0/frameworks/locale/en_US How to fix it?

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  • Debugging a performance issue on ListBoxDragDropTarget (Silverlight Toolkit)?

    - by carlmon
    I have a complex project using SilverLight Toolkit's ListBoxDragDropTarget for drag-drop operations and it is maxing CPU. I tried to reproduce the issue in a small sample project, but then it works fine. The problem persists when I remove our custom styles and all other controls from the page, but the page is hosted in another page's ScrollView. "EnableRedrawRegions" shows that the screen gets redrawn on every frame. My question is this: How can I track down the cause of this constant redrawing?

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  • IoC/DI in the face of winforms and other generated code

    - by Kaleb Pederson
    When using dependency injection (DI) and inversion of control (IoC) objects will typically have a constructor that accepts the set of dependencies required for the object to function properly. For example, if I have a form that requires a service to populate a combo box you might see something like this: // my files public interface IDataService { IList<MyData> GetData(); } public interface IComboDataService { IList<MyComboData> GetComboData(); } public partial class PopulatedForm : BaseForm { private IDataService service; public PopulatedForm(IDataService service) { //... InitializeComponent(); } } This works fine at the top level, I just use my IoC container to resolve the dependencies: var form = ioc.Resolve<PopulatedForm>(); But in the face of generated code, this gets harder. In winforms a second file composing the rest of the partial class is generated. This file references other components, such as custom controls, and uses no-args constructors to create such controls: // generated file: PopulatedForm.Designer.cs public partial class PopulatedForm { private void InitializeComponent() { this.customComboBox = new UserCreatedComboBox(); // customComboBox has an IComboDataService dependency } } Since this is generated code, I can't pass in the dependencies and there's no easy way to have my IoC container automatically inject all the dependencies. One solution is to pass in the dependencies of each child component to PopulatedForm even though it may not need them directly, such as with the IComboDataService required by the UserCreatedComboBox. I then have the responsibility to make sure that the dependencies are provided through various properties or setter methods. Then, my PopulatedForm constructor might look as follows: public PopulatedForm(IDataService service, IComboDataService comboDataService) { this.service = service; InitializeComponent(); this.customComboBox.ComboDataService = comboDataService; } Another possible solution is to have the no-args constructor to do the necessary resolution: public class UserCreatedComboBox { private IComboDataService comboDataService; public UserCreatedComboBox() { if (!DesignMode && IoC.Instance != null) { comboDataService = Ioc.Instance.Resolve<IComboDataService>(); } } } Neither solution is particularly good. What patterns and alternatives are available to more capably handle dependency-injection in the face of generated code? I'd love to see both general solutions, such as patterns, and ones specific to C#, Winforms, and Autofac.

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  • N2 CMS SlidingCurtain control is not visible

    - by Carl Raymond
    I just set up a new N2 site by starting with the MVC 2 Web Application template in Visual Studio, then following the directions in N2 CMS Developer Documentation in the section Integrating with Existing ASP.NET MVC Application. I have the basic site running now, but with one problem: the sliding curtain widget that holds the administrative controls is not visible in the upper right corner (when logged in, of course). I can make it visible the hard way by using Firebug to locate it in the DOM, and then disabling a couple of the CSS positioning elements. Once I do that, it seems to work normally. After I open it that way, I can click the various controls, or close it up (and I see the animation). But then it's off screen again. My master page has the sliding curtain just inside the <body> tag: <body> <n2:SlidingCurtain runat="server"> <n2:ControlPanel runat="server" /> </n2:SlidingCurtain> ... The site.css file generated in the base MVC site doesn't seem to do any positioning that would affect this. Firebug shows that right after by <body> tag, I have this: <div class="sc" id="SC" style="top: -2px; left: -574px;"><div class="scContent"> .... The style for <div class="sc" ...> is element.style { left:-574px; top:-2px; } .sc { background:#FFFFFF none repeat-x scroll 0 0; border-color:#CCCCBB; border-style:none solid solid none; border-width:1px; left:-200px; position:fixed; top:-200px; z-index:990; } If I disable both top: and both left: rules, the widget appears.

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  • How do I convert HTML to RTF (Rich Text) in .NET without paying for a component?

    - by Josh Kodroff
    Is there a free third-party or .NET class that will convert HTML to RTF (for use in a rich-text enabled Windows Forms control)? The "free" requirement comes from the fact that I'm only working on a prototype and can just load the BrowserControl and just render HTML if need be (even if it is slow) and that Developer Express is going to be releasing their own such control soon-ish. I don't want to learn to write RTF by hand, and I already know HTML, so I figure this is the quickest way to get some demonstrable code out the door quickly.

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