Maskedtextbox use validatingtype
You can provide your own custom error logic by handing this event. If the user types an invalid input character, no replacement occurs, but instead a beep is issued if the Beep On Error property is set to , and the Mask Input Rejected event is raised. Auto Dispatch)] public class Masked Text Box : System. In particular, CTRL-R (right justify text), CTRL-L (left justify text), and CTRL-L (center text) have no effect. Text Box Base Private Sub Masked Text Box1_Mask Input Rejected(By Val sender As System. As with the Text Box control, several common keyboard shortcuts do not work with Masked Text Box.This code example requires that your Windows Forms project contains a Masked Text Box control named private void Form1_Load(object sender, Event Args e) void masked Text Box1_Type Validation Completed(object sender, Type Validation Event Args e) // Hide the tooltip if the user starts typing again before the five-second display limit on the tooltip expires. void masked Text Box1_Key Down(object sender, Key Event Args e) Private Sub Form1_Load(By Val sender As System. Show("You cannot add extra characters to the end of this date field.", Me. Masked Text Box1, 0, -20, 5000) End If End Sub Private Sub Form1_Load(By Val sender As System. As the user types input into the masked text box, valid input characters replace their respective prompt characters in a sequential fashion.
Masked Text Box1, 0, -20, 5000) Else ' Now that the type has passed basic type validation, enforce more specific type rules. Return Value) If (User Date Bu maske kullanıcının sekiz basamak girmelerini talep edebilir, ancak kullanıcının doğru aralıkta ay, tarih ve yıl değerlerini girdiğini doğrulayamaz; "12/20/2003" ve "70/90/0000", maske açısından düşünüldüğünde eşit oranda geçerlidir.
Key Down ' The balloon tip is visible for five seconds; if the user types any data before it disappears, collapse it ourselves. Each editable mask position, representing a required or optional input, is shown with a single prompt character.
Mask = "00/00/0000" End Sub Private Sub Masked Text Box1_Key Down(By Val sender As Object, By Val e As Key Event Args) Handles Masked Text Box1. Using the Mask property, you can specify the following input without writing any custom validation logic in your application: When a Masked Text Box control is displayed at run time, it represents the mask as a series of prompt characters and optional literal characters.
(Inherited from Control) Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control.
Gets a value indicating whether the caller must call an invoke method when making method calls to the control because the caller is on a different thread than the one the control was created on.