Method insertColumns

src/backend/matrix/Matrix.cpp:329–336

columns

// columns
void Matrix::insertColumns(int before, int count) {
	Q_D(Matrix);
	if (count < 1 || before < 0 || before > columnCount())
		return;
	WAIT_CURSOR;
	exec(new MatrixInsertColumnsCmd(d, before, count));
	RESET_CURSOR;
}

void Matrix::appendColumns(int count) {
	insertColumns(columnCount(), count);