如何设置类实例控件事件？

Question

I have a class Viewer that creates two linked FastColoredTextBoxes . I want the two boxes to scroll together horizontally. I have this code:

public class Viewer : Panel
{
     public FastColoredTextBox HeaderRow = new FastColoredTextBox();
     public FastColoredTextBox Editor = new FastColoredTextBox();    

     public Viewer(int _Top, int _Left, int _Height, int _Width, bool _HasHeaderRow, Control control)
     {
         this.Editor.Scroll += new ScrollEventHandler(Editor_Scroll);
     }

     void Editor_Scroll(object sender, ScrollEventArgs e)
     {
          if (e.ScrollOrientation == ScrollOrientation.HorizontalScroll)
          {
              this.HeaderRow.HorizontalScroll.Value = this.Editor.HorizontalScroll.Value;
          }
          this.HeaderRow.UpdateScrollbars();
      }
 }

It doesn't work. I've never tried to do attach events to controls in a class instance before. If I declare the controls in my form and attach a very similar event (minus the .this's) it works fine. Thank you.

Answer 1

i think that for the next time try to tell yourself " what could it be?" and maybe debug a little, like a breackpoint for example. as you probably understood, you had a little mistake in the line

this.HeaderRow.HorizontalScroll.Value = this.HeaderRow.HorizontalScroll.Value;

you meant to write

HeaderRow.HorizontalScroll.Value = Editor.HorizontalScroll.Value;

you just got mixed between the two or something, which happens to all of us. but the first thing i would do is to think and debug it, check the values and let someone look at it. only then post it here.