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version 2004.1
PA_GetPageChange (params; *pageFrom; *pageTo)
| Parameter | Type | Description | |
| params | PA_PluginParameters | → | Parameters received in PluginMain |
| *pageFrom | short | ← | Closing page number |
| *pageTo | short | ← | Opening page number |
Description
The command
PA_GetPageChange
returns both the number of the page that is being closed and opened. This command must be called when
PA_GetAreaEvent
returns
eAE_PageChange
. This event indicates that the current page is being changed.
The returned values must be compared to the plug-in area page number (returned by
PA_GetPluginProperties
) and to the current page number (returned by
PA_GetCurrentPage
) to know if the page in which the area is located is being closed or opened.
When the form is changing page to or from your area page:
If
PA_GetCurrentPage() == *pageTo
, the page is being opened. You should take this opportunity to install your native controls.
If
PA_GetCurrentPage() == *pageFrom
, the page is being closed. You should take this opportunity to remove your native controls.
params
is the
PA_PluginParameters
the plug-in received in its
PluginMain
routine.