![]() NET textbox and outfit it with the tooltip functionality? Then, when I want tooltips I can simply add the textbox and set a property just like in the good old days! #2: Classing Things Up Then it dawned on me?what about OOP? Specifically, why not subclass the. In preparing this article I wondered if there was a simple way to achieve the ease of the past. Setting properties in Visual Basic 6, in this author's opinion, is more straightforward and simple.NET's way of implementing tooltips appears to add more work with little benefit in return. While adding tooltips are simple, it does seem as through developers are taking a step backward. Figure 2 illustrates how the tooltip appears at runtime.įigure 2: The Tooltip class is an extender class because it extends the functionality of another control. When the user positions the mouse pointer over the control, the control sends a SetToolTip message to the ToolTip object sending a reference to itself as well as the text that it should display. Me.Button1, "This button will validate"+_ The following snippet illustrates the code you might add to the Command Button's MouseHover event: Private Sub Button1_MouseHover(_ ![]() In Visual Basic 6 you didn't need to worry about trapping events since VB 6 handled everything automatically. Tooltips get displayed whenever you position the mouse pointer over a control for a few moments. #1: Once you've added the Tooltip class you can put it to work. From the toolbox, select the Tooltip class.įigure 1 shows you how to implement the Tooltip class in an application.įigure 1: Non visual classes like the Tooltip class, while members of the form, are not located on the form's design surface.Instead of setting properties on the control you implement the Tooltip class and through various property settings, you inform the Tooltip class of the control's existence. Instead, there is a class devoted to this singular task called the Tooltip class. However, these properties don't exist in. If you are like me you will instinctively look for properties like ToolTipText and ShowTips. However, those properties don't exist in. If you're like me you'll instinctively look for properties like ToolTip Text and ShowTips. I will reserve judgment on the issue and I will instead help you intelligently add tooltips to your. NET has taken this procedure and turned it on its ear. You simply set the Form's ShowTips property to True and set the ToolTipText property of each control on the form to the desired string setting. Implementing tooltips in Visual Basic 6 was easy. This article introduces these two classes and gives a brief, yet comprehensive primer on how to use them. Although each class serves a different purpose, their implementation is quite similar. ![]() The Error Provider class provides a new way to inform users about invalid input. The Tooltip class represents a significant departure from how tooltips were implemented in earlier versions of Visual Studio. The Error Provider and Tooltip classes are two examples of extender classes in the. Extender classes do just that they allow you to extend the functionality of a.
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