function setColumns($value) { $this->mColumns = $value; }
function getColumns() { return $this->mColumns; }
function setRows($value) { $this->mRows = $value; }
function getRows() { return $this->mRows; }
function setColumns($value) { $this->mColumns = $value; }
function getColumns() { return $this->mColumns; }
function setRows($value) { $this->mRows = $value; }
function getRows() { return $this->mRows; }