Vb net combobox validating event

Focus Event Support static property to True: When this property is True, the support library ensures that the Lost Focus event is always fired after the Validate event.

Notice that in the previously described scenario – the end user moves the focus away with the mouse but the control fails to validate – then a pair of Lost Focus/Got Focus events is fired anyway (unlike VB6), but this is seldom a problem.

It allows you to validate a text box when a user tries to leave it.

You can check, for example, if the text box is blank. Locate the Tab Index property for textbox1 and set it to 0. The Tab Index property refers to which control will be selected when the Tab key is pressed.

Hovering the mouse over the error icon will tell you what is wrong and how to fix it.

Back Color = vb White End Sub Private Sub Text1_Validate(Cancel as Boolean) Cancel = (Text1. In some applications, however, the code in the Text1_Lost Focus method might depend on some variable that has been set in the Validate event.You will receive a detailed report about your VB6 applications and how VB Migration Partner can help you to quickly and effectively migrate it to . Data input validation in Windows Forms is essential.The Tab Index allows you to set the Tab order for all the controls on your form.With Text Box1 selected, click the lightning bolt in the properties area to see a list of events for textboxes.

This little Gem is often left unnoticed, which is a funny thing considering it sits in the Windows Forms Controls Toolbox by default.