I have the following code for the property ContentType in class that implements IExtenderProvider public class foo: Component, IExtenderProvider { [System.ComponentModel.Category("Validation"), DefaultValue(typeof(KMS.Core.Forms.Validation.ContentType_Enum), "KMS.Core.Forms.Valida...more >>

I have created a Component that implements IExtenderProvider. It provides several properties to the controls on the form. It appears that everything is working as desired except for persistence. If in design time, I set a value of one of the properties provided by the extender, it sets and the...more >>

I'm getting different behavior from what I would expect and was hoping someone could clue me in. At run time I need to examine a property of an object for a custom TypeConverter, then use that converter on a value. Here's the deal: object[] attrs=(object[])PropertyInfo.GetCustomAttributes(...more >>

I am developing an application which imitates a form designer. Basically, I implemented IDesignerHost and all other required services. Everything works great, but my customers aren't very happy. They don't appreciate the power and beauty of the PropertyGrid. For example, they want to be able t...more >>

Hello, I'm beginner .NET developer, working on C#. Trying to create custom property for the main form of a project. This property should be be visible on Properties Window - so I'm using [Browsable(true), EditorBrowsable (EditorBrowsableState.Always), Description ("Some Descripti...more >>

I'm creating a custom forms designer by using IDesignerHost to host components. Adding components from a toolbox works fine and as expected. I'm trying to add other actions though - like Cut, Copy and Paste (and Undo/Redo too). I've already implemented Delete - by just using StandardCommands....more >>

I am just getting started in trying to create a custom Windows form control in VB .NET. The premise is fairly simple. It's a "shape control" that assumes the shape of its Background Image. The user specifies a Mask Color and that color is rendered transparent, thus making the control the shape...more >>

Hi, I'm currently writing an own control for the .net compact framework. It overrides the Font property: public override Font Font {get..set} That works pretty well - except if I select a font with regular style, because the Designer persists the property value to code like that: thi...more >>

Version 1.44 of the SharpLibrary has been released. A new update to our library has been released. Main highlights of this update: Six new controls have been added: AutoCompleteComboBox, AutoAppendComboBox, ButtonTextBox, ButtonComboBox, ButtonDomainUpDown, ButtonNumericUpDown. These co...more >>

Hi all, I have develop some compontents with transparent property. I can do it partially, when there is only a parent container under it. When there are other control behind it, the tranparent control on the top only paint the parent background on it, and ignores the other controls' background u...more >>

Hi, I got the sample code "DesignerHost" from "INFO: Code Sample That Demonstrates How to Create a Custom Form Designer by Using Visual C# .NET" http://support.microsoft.com/default.aspx?scid=kb;en-us;813808. The sample code has no these features "copy, cut, paste, undo and redo", I wanna imple...more >>

Hi, We are developing an application in which the user can design their own GUI. Basically we need to give the User similar functionality to that in the Windows Forms designer in VS.NET. So far (following the examples given on Tim Dawson's website - http://www.divil.co.uk/net/articles/desi...more >>

I have a collection editor hanging off my column collection. The collection editor seems to be working fine. However, every time I bring it up, for the first 3 seconds or so it feels like it is 'hanging' where I can't do anything in it. While this is not a showstopper for me by any means, it ...more >>

Hi I have a tab control that was written in my org. It inherites directly from System.Windows.Forms.Control. I use it in a window form (MainForm) and it works just fine. But when I try to create a new inherited form (ChildForm) that inherites from MainForm - I can't edit the tab control in Chil...more >>

I want to use a collection of controls in a usercontrol. It should work like the built-in toolbar, that means i want to add and remove buttons with the designer. my problem is that the designer does not save settings within my collection - the entries stay in the generated code but when i run th...more >>

Hiya, I get an error when I try to add a particular type of "inherited form" to my app. I try to add it thru the following steps: 1) right click the selected project 2) >Add 3) >inherited form <error> An exception System.ExecutionEngineException has occurred in the default domain <\e...more >>

Is there a way to hide some default property of control? I'm writing my own usercontrol, and I would like to hide some of them. For e.g. the locked property or many other. -- Thanks in advance Andrea ...more >>

I am just trying to figure out what Microsoft thinks is orthodox with regard to getting totals in a datagrid. That is, let's say I have a datagrid with an amount column in it and at the bottom of the grid I want a total for the Amount column. Is the datagrid designed in such a way as to provide...more >>