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AVEVA™ Plant SCADA

PageListCurrent

  • Last UpdatedJul 18, 2023
  • 1 minute read

Gets Index of the current page in the page list of current window.

Syntax

PageListCurrent()

Return Value

List index (0 to list size -1), or -1 if unable to get index

PageListCount, PageListInfo, PageListDisplay, PageListDelete

Example


INT count;
INT index;
INT error;
STRING PageName;

// While 4 entries will be added to page history, only 3 unique pages will be added to page list
PageDisplay(Page1);
PageDisplay(Page2);
PageDisplay(Page1);
PageDisplay(Page3);

// iterate the pages in the list
count=PageListCount() //count=3
PageName=PageListInfo(0,0); //PageName=Page1
PageName=PageListInfo(1,0); //PageName=Page2
PageName=PageListInfo(2,0); //PageName=Page3
index=PageListCurrent(); //index=2,as Page3 is currently displayed
pageName=PageListInfo(index,0); //PageName=Page3
error-PageListRecall(1); //recall Page2, error=0
index=PageListCurrent(); //index=1, as current index is moved as part of the recall
PageName=PageInfo(0); //PageName=Page2 as it becomes the current page
error=PageListDelete(index); //remove current page, i.e. Page2, error=0
PageName=PageInfo(0); //PageName=Page3, next page in the list is displayed
index=PageListCurrent(); //index=1, current index is not changed while the list is reduced
count=PageListCount(); //count=2, only 2 pages left in the list

See Also

Page Functions

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