Error when opening designer on inherited form

Question

I am having trouble opening an inherited form in a Windows CE application. This is a project that I am taking over from a ex-employee, but there is compiled versions running on

Answer 1

I had a same problem. I solved my problem by add base() to child form constructor.

public partial class FormChildren : ParentForm
{
    public FormChildren() : base()
    {
        InitializeComponent();
    }
}

This Answers is good:

Windows Form inheritance