Vb net validating close form Karolina flirt4free

This is better than before but I would like the message box to not show at all. Cancel = False End Sub Public Class Form1 Const WMCLOSE As String = "Wm Close" Public Function Is Form Closing() As Boolean Dim stack Trace As System. Darin *** Sent via Developersdex Yes, closing the form causes 'validating' to take place. One, remove the "control Box" from the form, so the user cant close it that way. in the btn Cancel_Click event: Removehandeler Text Box1.validating, Addressof Text Box1_Validating -- Terry That doesn't work either, at least not for VB2005. -- Al Reid (who didn't mean to hijack the thread) "Terry" Well it works for me - but one thing I left out - you need to set the cancel buttons 'causes validation' to false. I reprogrammed the device to only send the CR and now the problem is solved. Validating If Not mbln Cancel Then Dim dte Date As Date Time If Date Time. Why it would stop on a textbox with tabstop property set to False - I have no idea, unless it is a behavior of the container its in. Maybe you should be using the Key Down event instead of the Key Press event. here is a line copied from the documentation: "The Key Press event is not raised by noncharacter keys; however, the noncharacter keys do raise the Key Down and Key Up events." My guess is that the gun is sending some noncharacter data to you.One, remove the "control Box" from the form, so the user cant close it that way. in the btn Cancel_Click event: Removehandeler Text Box1.validating, Addressof Text Box1_Validating -- Terry That doesn't work either, at least not for VB2005. Then in the btn Cancel_click event, either set a module level variable like m Canceling to True and then in the validating event ... I've been fighting the same problem for some time now. I think that the only way to do this is to grab the mouse coordinates in the validating event, do a Window From Point API call, then compare the returned HWND to the Cancel Button's Handle. I also got the Window From Point approach working as well. The following code works as you might hope: Public Class Form1 Private m Canceling As Boolean = False Private Sub Button1_Click(By Val sender As System. Private Sub Text Box1_Validating(By Val sender As Object, By Val e As System. As far as the 'gun', it may be better to write a console app. -- Terry "Al Reid" wrote: Terry, I don't do anything with the barcode data in the Key Press event. I guess I could inspect the data in the Key Down event to see if there is a difference. news:78**********************************@microsof .. I am new to VB comming from VB6, but that was also the case in VB6. I added the code to handle the esc key per the "bug" thread and it works.I am experiencing an issue using the 'x' button to close my form if invalid or no data is present in the textbox with focus when I click the 'x' button. You can change the data to something valid and close fine but this is aggrevating.

Darin *** Sent via Developersdex Yes, closing the form causes 'validating' to take place. I have come to the belief that the problem we are seeing with the escape key is a bug.

In that sub I specified that causevalidation for all textboxes be disabled and also set e cancel to false.

After that I tested with bad data and the message box showed again, but when I closed it the form closed also. It's a homework assignment which is not due yet so I am reluctant to post my code in its entirety. Everything works great minus closing with any method other than the close button I created. Private Sub Form1_Form Closing(By Val sender As Object, By Val e As System.

'---------------------------------------------------------------------------------------------------- Protected Overrides Sub Wnd Proc(By Ref m As System.

This will allow the user to close the form without the worry of controls doing validation from "X".

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