Page 136 - DCAP408_WEB_PROGRAMMING

Windows Programming

Notes
Did u know? What is the use of Open file dialog box?
Use this dialog box to open an existing file from disk. You can also use this dialog box to
open an already opened file using different language encoding options.
We’ll work with these textboxes when we do the Edit menu. So let’s leave them for now.
When we click on File > Open from our menu, we want the Open dialogue box to appear. This
is fairly straightforward in VB.NET. In fact there is even a control for it!
Open up your toolbox, and locate the control called “OpenFileDialog”. You might have to scroll
down to see it. But you’re looking for this:

Double click the control to add one to your project.

Notes But notice that the control doesn’t get added to your form.

It gets added to the area at the bottom, next to your menu control:

The shaded area surrounding the control means that it is selected. If you look on your right,
you’ll see the properties that you can use with the control.
Click on the Name property and change the name to openFD. When you change the name in the
properties box, the name of the control at the bottom will change:

130 LOVELY PROFESSIONAL UNIVERSITY