With a drop-down list, you make a choice among a list of mutually exclusive values. You can choose one and only one option.
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Figure 1: A drop down list as used in the Application Server Connections window
Drop down lists support locate as you type i.e. when the drop down list has focus and you start typing the item with a name beginning with those letters will be selected.
In many cases the list elements within the drop down list have associated tool tips. Hover over the list entry to display the tool tip, hover over the drop down list to see the too tip of the currently selected value.
If the drop down list allows setting a null value you can set it to null by pressing the Backspace key while the drop down list has focus.
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Figure 2: The Clear selection command button within the drop-down list can be used to set the value of the control to null.
In this documentation we refer to drop-down lists as list or box (whichever is clearer) together with the label text.
Key |
Meaning |
Alt+down arrow |
Display the items list. |
Esc |
Hide the items list |
Arrow up, Arrow down, Page Up, Page Down, Pos1, End |
Navigate through the items list |
Backspace |
Set the value to null (only if supported) |
Crtl+E |
Open element definition. If the list of elements shown in the drop down list can be modified by the user this keyboard shortcut opens the user interface for editing list elements. |
Table 1: Keyboard shortcuts for drop down lists
