Occurs when the Value property has been changed in some way.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
For the Value property can be changed in code, by clicking the up or down button, or by the user entering a new value that is read by the control. The new value is read when the user hits the ENTER key or navigates away from the control. If the user enters a new value and then clicks the up or down button, the event will occur twice.event to occur, the
For more information about handling events, see Handling and Raising Events.
The following code example demonstrates the use of this member. In the example, an event handler reports on the occurrence of the MessageBox.Show with Console.WriteLine or appending the message to a multiline TextBox.event. This report helps you to learn when the event occurs and can assist you in debugging. To report on multiple events or on events that occur frequently, consider replacing
To run the example code, paste it into a project that contains an instance of type NumericUpDown named NumericUpDown1. Then ensure that the event handler is associated with the event.
Available since 1.1