Working with C# on Visual Studio 2003. I have a form named "myFormClass" inherited of System.Windows.Forms.Form, and other form inherited of myFormClass. It happens that I reopen ; I am going to open a form of the inherited ones of myFormClass in design and it does not allow it. Inves...more >>

In VS2005, there is a so personal change about Binding Data. IDE will gernerate the code about Adapter.Fill(DataSet) automatically. such as: public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void F...more >>

Hi, In my project, which I develop under VS 2005, I have a form, on which I put a FlashObject. Everything is fine so far and works. Then I copied the project to a different computer and open it with VS 2005 and the designer of this form shows this exception: Could not load file or assem...more >>

Hello I used the following code to draw a rectangle inside another rectangle (2 pixels smaller). The inside rectangle results 1 pixel larger than the needed rectangle. I had the same result with DrawPath when I was triyng to draw a Rounded-Corners rectangle. This is driving me crazy. ...more >>

Hi, this looks like a strange behavior. I have two properties in my custom control whose relative code gets produced only when i resize manually (and only manually, i mean with the mouse on the design surface) the control size. They won't change their value unless i resize manually the co...more >>

I have created a custom control and created and installer that puts it in the GAC. However, when I install it and then click choose item from the Visual Studio Toolbox it is not there. If I manually add it by browsing for the assembly outside the GAC then it does appear temporarily. How d...more >>

I am writing an ADO.NET provider for a specialized (non-SQL) data store, and wanted to support the options in the Data menu, specifically "Generate Dataset" and "Preview Data". The documentation on these types of features is near to non-existant, including when you download the VSIP package (...more >>

Hello, I posted this in another group and was directed here to post the quesiton. Seems that there are some smart folks here that can answer this...Here is the post. Any help would be appreciated. I have recently started developing Windows Forms from the web and am trying to do creat...more >>

Hi, I'm writing a custom control and I face a strange problem since I have the latest release of Visual C# express 2005. When I drag the control from the toolbox to a form, I get this exception: Failed to create component. The error message follows: 'System.NullReferenceException: Objec...more >>

Hello I'm writing an enhanced version of ComboBox (that inherits from Windows.Forms.ComboBox) that can display images close to the text. I've replaced the default Item collection (ComboBox.ObjectCollection, that is a collecion of Object objects) with my own collection (ImageComboBoxItemCol...more >>

Hi, I have a component which exposes an extended property. I want to edit this property using a UITypeEditor. The problem is that when the designer raises my UITypeEditor sends a reference of the component it's being edited (a TextBox for example) but not of my component. How can I receive...more >>

Hi all, been searching for a while now, but could not find anything useful. But since I'm new to .NET and C# maybe I just could not identify if something was a solution for my problem... I'm writing a small component which uses a list of name/value pairs. But I have no idea how to implemen...more >>

Is it possible? ...more >>

Hello everyone, We are developing a MDI application and what we would require is the following: 1. To open a MDI child form as Form1 2. To open another MDI child form as Form2 that would act as a dialog form for the Form2 3. Form2 must not prevent any other MDI forms from openin...more >>

Good morning I've not found an event that notify me when drop-down part of a BomboBox is closed. OnDropDown just notify when the drop-down is displayed, not when it is closed. Is there a message in WndProc that can be used to intercept a drop-down closing? Thank you very much. Carl...more >>

I've noticed the SqlDataAdapterDesigner adds the verbs "Generate DataSet..." and "Preview data..." to the ROOT component designer (e.g. if the SqlDataAdapter is placed on a Form, the Form gets the verbs too). I actually need to do this for a Component that is a child of a Component (in the ...more >>

I have form setup to perform designing of a form. There's a toolbox that you can design from and everything. However, one thing I can't figure out how to do is manually add an item to be designed. Let's say that I want to add a TextBox to this. How do I go about this? Do I need to use the...more >>

Dear All Pro, I am new with custom control and I would like to post my question, and I am pretty sure that you can answer my question within a few minute. I have a control which derived from System.Windows.Form.TextBox, how can I override "BorderStyle" of the TextBox' properties? Any help is d...more >>

Hi, Need help on implementing Redo/Undo using DesignerTransaction. I can easily do this using command pattern by haveing a UndoManager listening to events exposed by IComponentChangeService. But, I can not figure how to do this with DesignerTranction. Thanks. Wen ...more >>

Does anyone know why the System.ComponentModel.Component does not implement the IServiceProvider interface? Gabriel Lozano-Morán ...more >>

I have several records on my DB Name LastName Age Address StartTime ... ... ... I need to use that information each moment in my app though the whole day. I mean every minute or less I need to read info about specific record I would like to make just one access to the DB when ...more >>

I am working on the C#/Windows Forms project. Currently I am displaying images using Bitmap objects that I create at runtime from .jpg files. It means that I have to distribute all .jpg files with the application. Is there a way to incorporate .jpg images at design time, so I won't have to redis...more >>

Is there any way to get a hierarchical view of all a Form's controls? I have many panels within panels, lots of them with Dock style = Fill, and I'm finding it very fiddly to select the parent panel of a given control/panel. I think I must be missing something. ...more >>

Hello, My component has a string type of property which has set "Browsable" attribute to false...My custom property page does set/get that property and I want to force it to be serialized into code in Design-Time... I tried setting various "DesignerSerializationVisibility" atrribute values...more >>

Hi I have a problem when edit items of ComboEditBox in my custorm form designer In Visual Studio this property detected as String Collection but in my designer as Object Collection. I've looked through reflector on type of that property and i wad really Object Collection. But how can Visual St...more >>

Good morning someone used the built-in Dotfuscator Community Edition and can give me some suggestions and impressions? Someone knows a good free/opensource obfuscator? TIA Carlo ------------------------------------------- Carlo, MCP (Windows Based Applications) carlodevREMOVE@...more >>

Hello all, assume I have this code: <Editor(GetType(Editors.IntegerUITypeEditor), GetType(System.Drawing.Design.UITypeEditor))> _ Public Property MyIntegerValue() As Integer '... End Property This means that I have my own personalized IntegerUITypeEditor that inherits from ...more >>

I write a simple form designer in vs2005. I can add and edit controls on this designer. but when I delete a control, it can not repond. the code like this: public partial class Form1 : Form { public Form1() { InitializeComponent(); } ...more >>

Just a quick question, I hope. I'm ending up with a lot of similar property names (because they all relate to the same area of the control) eg CaptionText, CaptionTextColour, CaptionBackground, CaptionHasGradient, CaptionGradientStart, CaptionGradientEnd to name just a few. I know propertie...more >>

Hey I hope someone can help me with a clean solution for the following puzzle: I have written a custom toolboxitem that overrides the CreateComponentsCore() operation that returns two objects, a subclassed label and a subclassed textbox. The purpose is to create a label and a textbox that rep...more >>