Subscribe events
In the following sections, we'll look at the Subscribe
element. We covered several subscribable control events in the last chapter, including those used by the SelectionTree
and ProgressBar
. We'll take a look at some others that we missed.
ScriptInProgress
You can subscribe a Text
control to the ScriptInProgress
event so that its text is only shown during the "immediate" phase of InstallExecuteSequence
. This is when that sequence prepares itself for its "deferred" stage by creating a rollback script containing all of the actions it will need to perform.
You'd use this technique on a progress bar dialog. As you can see in the following example, all it does is show some text telling the user that things are gearing up:
Here, we have ...
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