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Merging Grouping InsertRowCol NumFormats Formats Fonts Buffer1 Buffer2 Copying TopNFilter
Sorting StringFilter NumberFilter FilterByValues Protection Replacing RichString BeginWith
ColorScale OpRule AltRows
Merging Grouping InsertRowCol NumFormats Formats Fonts Buffer1 Buffer2 Copying TopNFilter
Sorting StringFilter NumberFilter FilterByValues Protection Replacing RichString BeginWith
ColorScale OpRule AltRows
AutoFilter: top N number of items to filter by
The FilterColumn::setTop10() method sets the number of top or bottom items in AutoFilter:#include "libxl.h" using namespace libxl; int main() { Book* book = xlCreateXMLBook(); Sheet* sheet = book->addSheet(L"my"); sheet->writeStr(2, 1, L"Country"); sheet->writeStr(2, 2, L"Road injures"); sheet->writeStr(2, 3, L"Smoking"); sheet->writeStr(2, 4, L"Suicide"); sheet->writeStr(3, 1, L"USA"); sheet->writeStr(4, 1, L"UK"); sheet->writeNum(3, 2, 64); sheet->writeNum(4, 2, 94); sheet->writeNum(3, 3, 69); sheet->writeNum(4, 3, 55); sheet->writeNum(3, 4, 49); sheet->writeNum(4, 4, 64); sheet->writeStr(5, 1, L"Germany"); sheet->writeStr(6, 1, L"Switzerland"); sheet->writeNum(5, 2, 88); sheet->writeNum(6, 2, 93); sheet->writeNum(5, 3, 46); sheet->writeNum(6, 3, 54); sheet->writeNum(5, 4, 55); sheet->writeNum(6, 4, 50); sheet->writeStr(7, 1, L"Spain"); sheet->writeStr(8, 1, L"Italy"); sheet->writeNum(7, 2, 86); sheet->writeNum(8, 2, 75); sheet->writeNum(7, 3, 47); sheet->writeNum(8, 3, 52); sheet->writeNum(7, 4, 69); sheet->writeNum(8, 4, 71); sheet->writeStr(9, 1, L"Greece"); sheet->writeStr(10, 1, L"Japan"); sheet->writeNum(9, 2, 67); sheet->writeNum(10, 2, 91); sheet->writeNum(9, 3, 23); sheet->writeNum(10, 3, 57); sheet->writeNum(9, 4, 87); sheet->writeNum(10, 4, 36); AutoFilter* autoFilter = sheet->autoFilter(); autoFilter->setRef(2, 10, 1, 4); // shows 3 countries with the safest roads FilterColumn* column = autoFilter->column(1); column->setTop10(3); sheet->applyFilter(); book->save(L"out.xlsx"); book->release(); return 0; }
See also other AutoFilter examples: Sorting
String custom filter
Number custom filter
Filter by values