public ValidateModeEx ValidateMode {get; set;}

'Declaration
 
Public Property ValidateMode As ValidateModeEx

'Usage
 
Dim instance As GcDateTime
Dim value As ValidateModeEx
 
instance.ValidateMode = value
 
value = instance.ValidateMode

Property Value

If setting the ValidateMode property to ValidateModeEx.ValidateEx, the control will perform strict validation such as checking for leap-years and non-existing date values. Also, automatic character filtering and field adjustments will be made as the user enters data. For example, in the case of leap years, when the input mask is set to 'yyyy.MM.dd', the user will not be able to enter February 29th, 2003. If the input mask is set to 'dd.MM.yyyy', entering February 29th, 2003 will automatically adjust the 29th to the 28th as soon as the last 3 is entered for the year.

If setting this property to ValidateModeEx.Validate, the control will perform loose validation causing all fields to behave independently and not rely on each other. For example, if the input mask is set to 'yyyy.MM.dd', the control allows you to enter a date such as February 31st, 2003 which normally cannot exist as a date-time value. The following table shows the valid range for the fields when the mode is ValidateModeEx.Validate.

If setting this property to ValidateModeEx, the control does not perform validation. The fields behave independently just as when set to ValidateModeEx.Validate. For example, if the input mask is set to 'yyyy.MM.dd', the control allows you to enter '0000.00.00' which is not a date-time value. The following table shows the valid range for the fields when using ValidateModeEx:

This property takes effect only when entering data in the control. The date-time value is validated as soon as focus moves away from the control.

During input, if the entered data is incomplete, such as '2003.__.01', or a non date-time value such as '2002.02.31' is entered, the Value property returns null.

Reference

GcDateTime Class
GcDateTime Members