Code Snippet – VB.NET
  1. Private Sub DateTimePicker1_Enter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DateTimePicker1.Enter
  2.     Dim fmt As DateTimePickerFormat = DateTimePicker1.Format
  3.  
  4.     DateTimePicker1.Format = DateTimePickerFormat.Long
  5.     DateTimePicker1.Format = DateTimePickerFormat.Custom
  6.     DateTimePicker1.Format = fmt
  7. End Sub

 

Code Snippet – C#
  1. private void dateTimePicker1_Enter(object sender, EventArgs e)
  2. {
  3.     DateTimePickerFormat fmt = dateTimePicker1.Format;
  4.     
  5.     dateTimePicker1.Format = DateTimePickerFormat.Long;
  6.     dateTimePicker1.Format = DateTimePickerFormat.Custom;
  7.     dateTimePicker1.Format = fmt;
  8. }