Occurs when System.Windows.Forms.MaskedTextBox has finished parsing the current value using the MaskedTextBox.ValidatingType property.
The System.Windows.Forms.MaskedTextBox control will optionally validate user input against the type defined by its MaskedTextBox.ValidatingType property. When this property is not null, the following series of events occurs:
[The 'ordered' type of list has not been implemented in the ECMA stylesheet.]If the TypeValidationEventArgs.Cancel property is set to true in the MaskedTextBox.TypeValidationCompleted event handler, the event will be canceled and the System.Windows.Forms.MaskedTextBox control retains focus, unless the subsequent Control.Validating event sets its version of the System.ComponentModel.CancelEventArgs.Cancel property back to false.