DateTimePicker1 >= DateTimePicker2

Question

I am very new to the C# world and I am trying to build a WindowsformApp that has the following fields on form1. I Have 4 datetimepicker fields in my windows form. 

I would like if I pick a date in datetimepicker1 the other datetimepicker fields will react to be equal to or greater than as shown in the following.

 

datetimepicker1 <= datetimepicker2 <= datetimepicker3

datetimepicker3 >= datetimepicker2

datetimepicker3 <= datetimepicker4