Craig,

>I am not seeing the MaxLength set in the UI. All are set to the default 32767.
>
>If I set this manually everything works correctly.

The code that sets the MaxLength in a Windows Forms application is found in mmBindingStragetySimple.BindDate():

TxtControl.MaxLength = ds.Tables[tableName].Columns[fieldName].MaxLength;

I recommend setting a breakpoint in this code to see what's happening.

Best Regards,