abstract class CustomControl : UserControl
{
protected abstract int DoStuff();
}
class DetailControl : CustomControl
{
protected override int DoStuff()
I couldn't make work the solution of 'Nicole Calinoiu'. But there is an other easy way directly in visual studio:)
More details here : 'http://www.codeproject.com/Articles/20845/How-to-derive-from-a-parent-form