Fading Effect In VB.Net
While core functionality and useability of the application is always one of the most important aspects, various visual effects may improve the way users feel about a particular application. Even though you may be able to implement purely cosmetic features in an application, it's important to keep the functionality in mind.
Here we will see how to give users a form that fades out when it's closed. This isn't a must-have functionality for applications, but this feature is often nice to have so that an application closing doesn't look abrupt.
In order to make the form fade out, I use the Form's Opacity property. By default, the Form's Opacity equals 1. To let the form fade out, I create a look to gradually decrease the Form's Opacity value until I finally close the form.
To try this out, add a button to the form and add the following code to its click event:
On the Form_Load event, I set the Form's Opacity to 0.99 (or 99%). This is because, on some computers, the code provided would initially create a blink and then let the form fade out. This usually happens when the Form's Opacity is lowered from 1 down. To prevent this blink before the fade out effect, we set the Form's Opacity to 0.99 (the difference is not visible to the user) and then fade the form out.
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