We're having a problem with the forms DesignMode property which is always
false.
I checked around, and found that the forms Site property is null.
Does anyone know how this can happen, and what to do about it?

In my application I have a base control class - call it BaseControl - from
which I inherit to create multiple controls. I'm using a custom
ControlDesigner class because I need one or two special actions to be
available to the inherited controls at design-time.

Using the following ExpandableObjectConverter-derived class leads to a most
strange issue. The ConvertTo method receives an 'Object value' argument that
is supposed to be of my own Style class. That Style class is used as the
type of several properties in my custom control.

I've created a container control based object that needs a design time
editor.  I've created one based on ControlDesigner but there are several
problems:
My control no longer behaves as a container control (it will not allow me to

This is killing both me and the project.
We're working on a farly large project.
The code is divided in two parts.
One solution that holds all business layer projects (9 projects, some small

I am planning to extend DataGridView control to hosting my own Editing
control.  Here is my class which derived from DataGridViewColumn.
public class MyDataGridViewMaskedTextBoxColumn : DataGridViewColumn
{

I am looking for a way, during design-time, to be able to access all
assemblies that were added as references to the currently selected project.
That would allow me, for instance, to open a control editor and populate a
list box with the names of all assemblies referenced by the ...

I am creating a custom control which have an "AutoCompleteStringCollection"
property, which is like in TextBox control.  How I can tell the designer I
wan to lauch String Collection Editor.

I'm trying to create a ComboBox class that will present the same printout
options to users no matter where I need to use the combo box.  I extend the
ComboBox class and in the constructor I add predefined print destinations,
along with setting other properties.

I have a component implementing IExtenderProvider. It provides
two new properties for controls, BackColor and ForeColor. These
properties are of my enum type AppColor. The problem is i want to hide
the default BackColor and ForeColor properties from the controls

i have 2 "new" controls, MyTabcontrol and MyTabPage, derived from TabControl
and TabPage.
Creating a form with the VS-Form-Designer and my customized TabControl is
very easy and successful. But when i design my tab pages there always TabPage.

I would like to add a new item to a collection at Design Time without
going through a collection editor.  I am trying to add an item to a
collection from from DesignerVerb handler.
I have DesigntimeSerializationVisibility set to "Content" on the

I am creating my own designer using
http://www.divil.co.uk/net/articles/designers/hosting.asp (Also reading
through open source #Develop project.)
I can change Visible property of the control using propertygrid without any

I want to create my own OledbCommand control.Since OledbCommand class
is sealed class.
I can't inherit control from that.I inherit control from usercontrol
and take an object of oledbcommand control

how to access the control assembly at design time,
I am using the [Editor] attribute to create a custom drop down list form,
with the list of the refernced assemblies of the control.
how do I access those assembly names at design time ?