Page 66 - DCAP408_WEB_PROGRAMMING

Windows Programming

Notes Self Assessment

Fill in the blank:
9. If the data was some other type of value (anything that is 32-bits) you could just .................
to the suitable type.

4.7 Combo Boxes

A combo box is a Windows control prepared of two sections. There are two major types of
combo boxes: drop down and simple. Each is prepared of two sections.

The most generally used combo box is called drop down. On the left side, it is prepared of an edit
box. On the right side, it is equipped with a down-pointing arrow:
To utilize it, the user must click the arrow. This opens a list:

After finding the desired item in the list, the user can click it. The item clicked turns out to be the
new one exhibiting in the edit part of the control. If the user doesn’t locate the desired item in the
list, he or she can click the down-pointing arrow or press Esc. This hides the list and the control
displays as before. The user can also exhibit the list by providing focus to the control and then
pressing Alt + down arrow key.
The second general type of combo box is pointed to as simple. This type is also made of two
sections but, rather than a down-pointing arrow used to exhibit the list, it displays its list all the
time:

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